Neo-Davidsonian Metaphysics: From the True to the Good
Transcript of Neo-Davidsonian Metaphysics: From the True to the Good
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 1
Introduction
I Re-launching the Davidson Program
Donald Davidson’s program, as I encountered it in the late
1960s, was inspiring and exciting. It appeared that an account of
logical forms, coupled with a semantics that eschewed
metaphysics, would soon solve or dissolve many philosophical
problems. Davidson’s thesis was that the first step to dealing
with a philosophical problem was getting the semantics straight.
For instance, the first step in answering the question “what
things are good” is finding out the logical form of sentences
using “good.” The hope was that this kind of ground-clearing
would enable real progress on the problems that did not, like the
“problem of predication” or whether to believe in sparse or
abundant properties, disappear with a proper understanding of
semantics.
Much of Davidson’s thinking was profoundly anti-
metaphysical, and the Davidsonian program was likewise anti-
metaphysical. Predication has no better account than “`is a frog’
is true of an object just in case the object is a frog.” Truth is
not correspondence to anything. Davidson’s account of meaning
extended Quine’s ideas about radical translation to a theory of
interpretation and an account of meaning without a metaphysics of
meanings. Much of Davidson’s work continued the anti-
essentialist, anti-metaphysical logical positivist tradition,
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albeit without the dogmas, without the empiricism, and by and
large without the scientism.
Davidson himself implemented only a few parts of this
program, and only suggested lines of thought for other parts of
the program. His work on events, causation, adverbs, and the
mind-body problem were actual concrete applications of his
semantics. The project of finding logical forms for constructions
of natural languages was being taken up most effectively by
linguistic semanticists following the alternative path of
Montague.1 This side of recursive truth-conditional semantics
was, from a Quinean point of view, completely shameless in
invoking possible worlds, exotic functions, and the like.2 The
linguistic semanticists by and large accepted notions of
presupposition, lexical meanings, and other notions which a
Davidsonian would eschew. Considering the scope of the original
program, relatively little work was carried out trying to
implement the Davidsonian program in the austere form that it
began.
1 A few of his students produced Davidson-inspired accounts of adjectives, proper names, and quantifiers. See Burge (1972, 1973, 1974) Wallace (1971, 1972) and Wheeler (1972, 1974, 1978). The vast majority of writing connected with Davidson from philosophers, as one would expect, consisted of claiming that there are flaws in Davidson’simplementation of the program rather than carrying out aspects of the program. 2 Several years ago, I gave a graduate seminar for which the texts wereLarsen and Segal’s (1995) and Heim and Kratzer’s (1998). The conclusion reached by the seminar is that these came close to being notational variants.
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Davidson thus left many important topics untouched. Davidson
followed Quine in not trying to give a semantics for modalities.3
Unlike Quine, though, Davidson cannot just claim that there are
no necessary truths. As long as some sentences using “necessary,”
“possible” and the like are true, these words must make some
contribution to the truth-conditions of sentences. Other
questions which the Davidson program in principle had to give a
semantics were never addressed either by Davidson or his
acolytes. For instance, the question of what propositions,
properties, and facts might be has to have an answer, given that
there are true affirmative sentences using those terms. Even
though Davidson has shown that properties play no role in
understanding predication, that propositions as meanings of
sentences are not necessary in semantics, and that facts play no
role in providing an entity in the world for a sentence to
correspond to in order to be true, still there are truths using
those count-nouns whose truth-conditions need to be given some
sort of account.
Davidson had views about the objectivity of values and
ethical notions, which appeared in scattered articles. The
philosophical field of ethics, though, was never one of his main
3 Davidson gives hints and suggestions. Davidson (1968) suggest the beginnings of a semantics for modalities, but “modality” is not mentioned by name. Davidson (1970a) suggests what a semantics for “ought” should look like, in the course of discussing a problem in thephilosophy of mind and action.
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interests. His earliest work was on decision-theory, and this was
a continuing interest and topic of his writing. The project of
connecting the theory of preference with a theory of what is good
or what a person should do never got done.
In sum, many parts of a completed Davidsonian program were
never even begun. Part of the explanation is to be found in the
resurgence of realism. Sometime after 1970, the majority, of
philosophers abandoned the whole logical positivist, anti-
metaphysical attitude toward philosophical problems that had
culminated in Quine and then in nearly pure form, in Davidson’s
program.
The very intuitive arguments of Kripke (1980) convinced even
Davidsonians that appeals to natures made intuitive sense and had
to be right. In my own case, I became convinced that Aristotle’s
Metaphysics, especially Zeta, Eta, and Theta, were almost exactly
right. There had to be natures of things and the de re
necessities that would be the consequences of such natures. So,
at least some Davidsonian disciples, and certainly very many
philosophers who might have been attracted to the program, lost
faith.
Now, in 2013, metaphysics is a thoroughly respectable field,
with very intelligent philosophers arguing pro and con about
whether truth is an explanatory property, what mysterious bonding
joins universals to particulars to yield facts, whether Ferraris
are entities which persist or perdure, and the like. For
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instance, the question is asked in the philosophy of mind whether
property dualism or substance dualism are equivalent or whether one
is preferable to the other.(Lycan, forthcoming). The Quinean-
Davidsonian view that property versus substance talk is
misdirected talk about predicates is ignored.
Davidsonism and pursuit of the Davidson program has thus
become a distinctly minority view. Davidson scholarship, while a
burgeoning literature, has become mostly exposition of the
details of his actual writings on various topics, rather than an
effort to carry out the program. I think this is a very large
mistake, and that what has happened is that philosophers have
forgotten Davidson’s basic insights about truth, predication, and
interpretation. An example of this forgetting is the continued
proliferation of “logics” for the various modal predicates and
tenses.4 Quine’s notion of logic as pure structure and Davidson’s
minimalist conception of semantics would put these “logics” in
their proper place as theories of the truth-conditions of
predicates.
A couple of decades ago, I began to realize that the
original program was not a dead end, but had been abandoned for
inadequate reasons. A kind of forgetting had taken place,
4 Admittedly, both Davidson and Quine took it as obvious that tenses involved an extra argument-place for times. But that supposition is not essential to their basic anti-essentialist, anti-metaphysical view, as we will show in Chapter 7.
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analogous to the forgetting that Kripke5 rectified. The
philosophical orthodoxies before Kripke’s 1970 lectures are a
good example of the kind of forgetfulness that can occur in
philosophy. As many people have realized, the intuitions Kripke
was appealing to are essentially the same as those Aristotle was
appealing to in Metaphysics Zeta, Eta and Theta. Aristotle was
responding to the challenge of Heraclitus against continuants as
well as the inadequate defense of common sense from Plato.
Aristotle’s distinction between essence and accident was a
defense of common sense. Kripke appealed to essentially the same
intuitions. In Kripke’s case, of course, the frame of discussion
was names and the conditions for their application. Very
different philosophical environments generated very similar
accounts of what it takes for this person to be the same over
time or in different circumstances. To remind ourselves how much
things have changed, remember that Quine (1953b) took the
necessity for appealing to Aristotelian essences to be a decisive
reason to reject the third grade of modal involvement.
Aristotle’s insights about the necessities implicit in the
idea of a lasting being were forgotten because Aristotle took the
medium-sized objects of everyday life to be also the primary
5 Kripke was not alone in implementing this resurrection. Modal logicians such as Hintikka, Marcus and others had views which likewisewere close to recapturing the Aristotelian insights via thinking aboutnaming. But the single most effective event was the series of lecturesin the Woodrow Wilson School in 1970.
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terms in which scientific explanation takes place. When It became
clear that scientific explanations required something other than
the objects of ordinary life, corpuscles or atoms rather than men
and earth, all of Aristotle was abandoned, the insights along with
the short-comings.
Something similar happened in a shorter time frame with
Davidson’s thought. The main apparent defect in Davidson’s
program was his rejection of realistic metaphysics, the idea that
nature is itself “divided at natural joints.” It seemed to
almost everyone that a realistic metaphysics was required in
order to accommodate natural Aristotelian Kripkean intuitions, so
that Davidson’s views could not be right. As with the rejection
of Aristotle in the 17th century, the rejection of Davidson’s
program threw out the good with the inadequate. Just as
Aristotle’s central insights about the conditions for continuants
remained valid, so, it seems to me are Davidson’s basic anti-
metaphysical ideas about semantics, predication, and
interpretation. In addition some of the core ideas in Davidson’s
implementation of the program are in fact part of the correct
account, even if the exact version Davidson proposed is mistaken.
There were other reasons philosophers ceased to take the
Davidson program as worth pursuing. Some of the abandonment of
the program was due to excessive focus on the particular
implementations Davidson himself made of his central ideas rather
than on the fruitful central ideas themselves. Some of Davidson’s
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particular implementations and applications of his program have
come under attack and have rightly been judged unacceptable. His
elegant solution to the mind-body problem, anomalous monism, is
flawed by his residual scientism. Davidson’s views about
anomalous monism, events, and causation were more extreme than
they needed to be, and implausible. But that does not mean that
the fundamental ideas were mistaken. The idea that the mind-body
problem is about different systems of predicates is still a good
one, and basically right. The vast literature on anomalous monism
and event-identity, though, largely abandoned Davidson’s idea
that mis-matching predicate-systems rather than properties were
the key to understanding. The central idea in Davidson (1967b and
1967c), that problems of logical form can be solved by
quantifying over something, applies whether or not those
somethings are limited to events.
Another reason philosophers abandoned the program was that
Davidson paid relatively little attention to developments in
linguistic semantics. Thus some of his semantical views seem
quaint. He never abandoned the treatment of quantifiers as
operators. He continued to think that the truth-functional
conditional was all you need to say about “if” even though his
own work (Davidson 1970b) showed that that could not be the case
with conditional “ought” sentences. But the conception of
quantification as operators on open sentences and “if” as a
truth-function was inessential for Davidson. Nothing important
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changes if quantification is regarded as primarily set-theoretic
and a better theory of “if” is part of a truth-definitional
theory. More generally, the very great progress in linguistics on
a variety of topics can, I believe, can be incorporated into an
essentially Davidsonian conception of semantics. Part of this
incorporation is accomplished just by enforcing Davidson’s very
austere notion of what a semantics should be and reclassifying
the parts of these linguistic theories that do more than
semantics requires as theories associated with predicates.
Davidson’s idea was that enough structure should be assigned to a
kind of sentence so that a speaker with finite learning capacity
could understand an infinity of sentences. To assign more
structure, for instance to suppose that “is a horse” has a
structural element “is an animal,” so that the inference from
“Stewball was a horse” to “Stewball was an animal” is formal goes
beyond anything that motivates assigning logical forms in the
first place. Quine’s idea that logic is indifference to which
particular predicates occur, and that everything else is theory,
has been lost if semantics does more than it has to.
But the most important reason the program was abandoned is
the first one. Philosophers took it as obvious that Davidson had
no way of accommodating intuitions about the persistence of
objects or counterfactuals about things that could have happened
to Aristotle and Ben Franklin, given his denial of given natures
in Davidson (1974). It seemed that some kind of objective
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privilege had to distinguish some predicates from others. A
natural understanding was that correspondence to a real division
in nature was the basis of that privilege.6 If a “given” domain
of objects is required in order to accommodate some truths, that
completely undermines Davidson’s talk of predicates rather than
properties and so abandons the entire Quinean-Davidsonian
perspective on how to think of questions about what there is.
I argue on the contrary that Davidson’s views on the given
are entirely compatible with Kripkean and Aristotelian intuitions
about what Aristotle might or might not have turned out to do for
a living and every other “metaphysical” intuition. Davidson,
given his view that most of what people believe is true, has to
have some explanation of these intuitions about the continued
existence of medium-sized objects which makes them come out true.
Unlike Quine, who is willing to jettison “common sense” in favor
of physics, Davidson, at least in principle, has to accommodate
common sense. On a number of topics I supply what I think
Davidson ought to have said about essentialism, properties, the
mind-body problem, properties, and facts. If we discount the
residual scientism that Davidson seems to have inherited from
Quine, and focus on what someone with Davidson’s views who
6 My 1975 essay applying the Sorites argument was an argument that, if the real objects were those which corresponded to joints in nature, the real objects would be micro-particles. Since the objects of ordinary experience have no determinate relation to micro-particles, they are strictly not real beings.
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completed parts of his program and accommodated the truths of
common sense might have written, we get the beginnings of the
implementation of a program which is Davidsonian, but which
differs in a number of respects from the implementation begun by
the actual Davidson, while inspired and shaped by Davidson’s work
on these topics. I think I have found what Davidson should have
said about why a person can gain weight and continue to exist but
not be made into sausage and continue to exist. Chapters 2 and 3
construct an essentialism which is relative to predicates and
which treats entities as posits required for thinking rather than
articulations of reality.
So, in brief, this book is an attempt to re-launch the
Davidson program, adhering to his fundamental insights about
semantics, interpretation and predication while differing in many
respects from the implementation that Davidson actually produced,
accommodating essentialist intuitions and dealing with issues,
such as modality, temporal continuants, sorites arguments,
ethical concepts, properties, and facts that Davidson never got
around to addressing. The book offers the outlines of a
Davidsonian account of these topics in some cases, such as the
modals, and
This book consists of ten chapters on a wide variety of
topics. After the first three chapters, which introduce the
essentials of Davidsonian semantics, his account of
interpretation, and a view I call “relative essentialism,” the
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rest of the chapters are outlines of how to continue the
Davidsonian program. Not every topic about modality, the
philosophy of time, or ethics is dealt with. Rather, the intent
is to show how the central Davidsonian insights about
predication, interpretation, and the assignment of logical forms
can illuminate, solve or dissolve a variety of problems of
semantics, ethics, and metaphysics. The conclusion in most of the
chapters is that metaphysical theories are unmotivated. There is
no need or role for a science which would supplement natural
science and common sense about the nature of material objects.
The accounts of physics and the natural sciences and the common-
sense concepts about medium-sized objects, organisms, and persons
exhaust the real questions. If you are interested in the real
nature of time or matter, for instance, ask the physicists. If
you wish to know what it takes for Joe to be a frog, there is a
simple answer. “Joe is a frog” is true if and only if Joe is a
frog. If you want a more detailed answer, consult biologists and
read some natural history. That there might be more fundamental
questions, deeper than biology, about what has to obtain for the
predicate “frog” to be true of an object is a mistake. There just
is no “problem of predication.” The mystery of how there can be
entities, namely properties, which are the same even though
multiply located, disappears when we take seriously the idea in
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Davidson’s (2005)7 that there is nothing illuminating to say
about predication beyond statements such as “`Is a frog’ is true
of an object just in case that object is a frog.”
The last two chapters are not so much a rejection of
metaphysics as a presentation of ways a Davidsonian approach
could clarify ethical discussion. An understanding of logical
form would allow ethical enquiry to get somewhere, rather than
arguing about intuitions. As in the previous chapters, it would
be expected that very much excellent work would be, slightly
reformulated, a part of an adequate theory.
II The Chapters
Chapter 1 is a discussion and development of Davidsonian
principles of semantics as I understand them, focusing on the
topics that will come up in succeeding chapters. The crucial
parts of Davidson’s view for my purposes are his account of truth
and predication, his conception of interpretation as
rationalization, and his conception of semantics as distinct from
theory. I defend the idea that a disquotational truth-definition
is the only proper semantics. Whatever else we know or do not
know about what the conditions are for being a pig, we can be 7 I should mention that Davidson held this view of predication long before 2005. I called him during the early 2000s and asked him what hewas working on. He told me that he was writing an account of predication which for decades he had thought was completely obvious. He said it had only recently dawned on him that not everyone knew thatpredication was no mystery at all. The view is also implicit in Davidson (1967a), but “implicit” does not entail “understood by most readers.”
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sure that “is a pig” is true of an object if and only if that
object is a pig. Semantical theories which go beyond disquotation
for syntactically simple predicates are properly understood as
theories of those objects. Given this austere semantics,
interpretation plays a major role in how we understand one
another.
Chapter 2 is an appreciation and critique of absolute
essentialism, the idea that the world is intrinsically divided up
“at the joints” into entities and properties of those entities.
It focuses on Aristotle, the philosopher who realized that you
cannot posit a kind of object without supposing objective
necessities about it, and Kripke, who revived Aristotelian
essentialism. It consists of two main arguments: The first
argument is that many kinds of entity which we would be reluctant
to regard as natural kinds have many of the features of natural
kinds. Terms for them are “rigid designators” and their
extensions are not determined by conceptual contents.rigid
designation of kinds. There are things Pepsi and bouillon could
be and cannot be which are independent of a person’s conception
of them. The second argument is that, from an objective point of
view, there is very little reason to take, for instance “has
atomic number 79” as an essential property of a stuff. The stuff
necessarily has atomic number 79 given that it is gold, but that
is not an obvious “given.” The stuff itself could be the same
stuff and not be gold. The mere change of a single quark from up
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to down would make an atom be one or another element. Nothing is
special about “elements.”
Chapter 3 presents a view of natures, properties, and beings
that accommodates intuitions about persistence without supposing
that nature itself is intrinsically articulated. It is a view
that Davidson could have accepted which accommodates Kripkean8
intuitions about objects while respecting Davidson’s view that
there is no “given” domain of beings, but only different
predicate systems. The basic problem for a Davidsonian
accommodation of the insights Kripke presents is that Davidson is
committed to a view on which there is no “given’ domain of
objects. Using the material from Chapter 2, I argue for what I
call “relative essentialism,” the view that the articulation of
reality into beings and properties is a requirement for thought,
given that thought must represent sub-sentential formal logical
relations among sentences. Thus, in a somewhat Kantian way,
positing beings and properties is a precondition for thought. I
argue that the happy fact that reality seems to come in beings
which have properties is not our conformity to a given
articulated world, but rather our doing, in some sense of “us”
and “do.” On this understanding, Quine and Davidson are both
8 These insights accord very well with Aristotle’s views in Metaphysics Zeta, Eta and Theta, as noted above. I might remark autobiographicallythat after hearing Kripke’s lectures, and remembering the Aristotle seminar I took from Terry Penner, I took classical Greek for three years so that I could read Aristotle and understand the secondary literature.
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Kantians, in the sense that they regard the positing of beings as
impositions from us, rather than a reflection of an articulation
in nature itself.
Positing a kind of object, though, means positing
persistence and identity conditions, which generate modal truths
about those objects. I argue that Davidson and Quine are
implicitly committed to a kind of at least probabilistic
essentialism. Given that we posit all sorts of objects, there can
be distinct physical objects, each with a kind of essence,
occupying the same space at the same time. This does not mean
either that there are alternative conceptual schemes or that
there are not really chairs and electrons. It does mean that
kinds of entity should be thought of on the model of units of
length. No one would deny that a hundred yards separates the two
goal lines on a football field. But few would assert that the
field itself is naturally and intrinsically divided into one-yard
chunks.
That agents themselves are also posits rather than a given
part of the articulation of reality is not a problem. Given that
being an agent and thinking of oneself as an agent within the
intentional family of concepts is a condition of being a language
user, there after all really are for us no global alternative
conceptual schemes.
Chapter 4 extends the results of Chapter 3 to the category
of events. It argues that distinct events can occur in the same
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place at the same time, just as distinct physical objects can
occupy the same space at the same time. Events of various kinds
have (relaive) essences, and distinct events of different kinds
can occur at the same place and time, even though they have the
same causes and effects. This result is applied to Davidson’s
(1970a) argument for anomalous monism. The view of the relation
of the mental to the physical I propose could be called innocuous
dualism.
A discussion of causation urges that facts and states, which
are distinct from events, can be referents of verb-phrases and
also causes. The core of Davidson’s analysis of adverbs is that
something is quantified over to which many predicates are
ascribed. This core is independent of the question of what kind
of entity is quantified over. Facts and states, properly
construed as metaphysically inert constructions out of things
said, can perfectly well be quantified over and can perfectly
well be arguments of a “cause” predicate. What facts and states
are is the topic of Chapter 6.
Chapter 5 is a Davidsonian account of modality and
conditionals. Chapters 2, 3, and 4 make extensive use of modal
predicates, and an account is called for. The first sections make
the obvious adaptation of Davidson’s (1968) account of indirect
discourse by treating modals as predicates of demonstrated things
said. While this would be adequate for some special modalities,
it will not work for modalities in general. The situation is akin
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to that with the quantifiers—the extreme quantifiers “all” and
“some” can be treated as generalized truth functions, but many
others cannot. In particular, conditional modalities, such as
“ought” and “probably” cannot be treated as a modal applied to a
conditional. An account of modality must therefore also be an
account of conditionals. I defend the default view of
conditionals that “if” is univocal and that “then” is an
independent word, so that it is a mistake to treat “if..then” as
a single semantic unit. The account of conditionals developed
treats “if” as something akin to punctuation indicating first
arguments of two-place predicates of things said. In this respect
the theory of conditionals is akin to Kratzer’s (2012) account,
minus possible worlds and a few other things. The modals “ought”
and “should” get further development in Chapter 10.
Chapter 6 is a discussion of properties, propositions and
facts. While Davidsonian semantics gives these three sorts of
entities no role whatsoever in semantics, they surely exist,
given that there are true sentences about them. This chapter
supplies an account of what these objects are that makes truths
about them come out true. On this account, they are useful posits
constructed from utterances, but with no role in semantics. As
with the previous chapter, this answer takes as the basis for all
three kinds of entities Davidson’s (1968) account of indirect
discourse.
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Chapter 7 is an illustration of how Davidson’s account of
predication and truth, combined with a generalization of the
treatment of modality in Chapter 5 and the semantically and
metaphysically inert character of Davidsonian properties and
facts discussed in Chapter 6, can dissolves metaphysical puzzles.
Two ancient metaphysical problems about time are the problem of
future contingents and Heraclitus’ problem of accidental
intrinsics. This chapter argues that those puzzles have no force
whatsoever without truth-maker semantics and an ontologically and
semantically weighty conception of properties and facts. No
exciting new logic is called for to allow an open future, and no
problem arises from thinking that the very same person is now
older than she was.
Chapter 8 is a discussion and resolution of the Sorites
paradox, which has been a topic of previous chapters and a long-
standing puzzle to me. The Sorites raises a grave difficulty for
monistic essentialism, since, if natures of things owe to reality
being divided at the joints, and there is only one set of joints,
entities which are not reducible to basic entities have no
natures. The Sorites thus threatens the reality of medium-sized
objects, since it shows that medium-sized objects and their
properties cannot be reduced to complexes of micro-particles and
their properties. Given that the real joints, if there were such,
would be at the micro-particle level, there seems to be no
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metaphysical basis for thinking medium-sized objects can have
natures and so be objects at all.
The Sorites is a main reason to be a relative essentialist
rather than a monistic essentialist. The struggles to be a “cut-
at-the-joints” realist and have real medium-sized objects and
children evaporate with relative essentialism. With relative
essentialism, many objects overlap without getting in each
other’s way, in something like the way feet, cubits and meters
co-exist on the football field. One of the features of the
ontological permissiveness allowed by relative essentialism is
that most kinds of objects and properties will of course lack sharp
definitions in other terms. While the metaphysical issue of how
medium-sized objects of the lived world co-exist with micro-
particles does not arise for relative essentialism, the logical
problem of whether a bivalent logic is appropriate given that it
is in principle indeterminable in some cases whether an entity is
a pig or not, does.
This chapter therefore offers a kind of pragmatic solution
to the problem of what logical system is appropriate for
understanding human language. I argue that there is a sense in
which every predicate is completely determinate and that
bivalence can be accepted on practical grounds.
Chapter 9 is an account of the semantics of sentences using
“good.” Davidson said in class in 1967 (Wheeler 2012) that the
first thing an ethical theory should look for is an account of
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the logical form of sentences using “good” and “ought.” Meta-
ethical writing almost never does this. Some of the things
writers say about “good” contradict basic constraints on what the
truth-conditions of sentences using “good” could be. Almost all
of the ethical writing about what we ought to do is oblivious to
facts about logical form which Davidson (1970b) pointed out long
ago.
Whereas values are always part of Davidson’s understanding
of interpretation, since he always characterizes “charity of
interpretation” in terms of treating others as “believers in the
true and lovers of the good,” most discussions of Davidsonian
interpretation focus exclusively on agreement in belief. This and
the next chapter correct that.
“Good” is a member of a subset of the comparative adjectives
with the following features: Such adjectives create intensional
contexts, require the inference from “good F” to “F” and have
comparatives that are apparently relative to a kind. You can be a
better tennis player than I am, but not a better pool player.
Nothing like this is possible with normal comparative adjectives
such as “tall.” If you are a taller basketball player than I am,
you are a taller anything.
The logical form of the broader category of comparative
adjectives is itself a topic that has generated hundreds of
accounts, a few of which I discuss. Most of those accounts are
incompatible with a Davidsonian disquotational semantics. The
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chapter develops a Davidsonian account of comparative adjectives,
adapting the idea of quantifying over something in Davidson
(1967b) and extending that account to cover the odd kind of
adjective that “good” is. It offers the beginnings of a theory of
“good.”
Chapter 10 is an account of “ought.”This chapter first shows
that “ought” and “obligation” are completely different modal
notions with different logical characteristics, and diagnoses the
confusion most ethical theorists have had since at least the time
of Kant. I argue that, while obligations are an important aspect
of ethics, “ought” is the fundamental modality of ethical
reasoning.
The theory of the truth-conditions of applications of “good”
suggested at the end of Chapter 9 connects “good” with “ought.” A
good bagel is one you ought to want if you want a bagel. “Ought”
was one topic of Chapter 6, on modalities. Whereas that chapter
was concerned only with the logical form of sentences using
“ought,” this chapter develops a theory of what it takes for a
conditional “ought” predicate to apply to a pair of propositions,
understood as “things said.”
The theory articulates “ought” as a chain of conditional
probabilities; that is “If P then probably Q” sentences. Those
conditional probabilities, in the case of “ought”-sentences about
agents, are supported by Davidsonian principles of
interpretation. Those principles are normative, in a broad sense.
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Briefly, if correct interpretation maximizes agreement in beliefs
and desires, treating the other agent as a believer of truths and
a valuer of the good, then, just as most of the beliefs we hold
about pigs are attributed to the other when we interpret one of
the other’s predicates as being true of an object if and only if
“is a pig” is, so with the valuations we hold regarding pigs. In
the simplest cases, this will mean that if a term is correctly
interpreted as meaning “chair,” it will serve interests in the
life of the other that chairs serve for us.
Moral and prudential uses of “ought” get analogous
treatment. The prudential “ought” applies our concept of rational
agency to conditional “ought”-sentences with desires as
antecedents. The moral “ought” takes as antecedent “is an agent.”
The ethical theory that comes out of Chapter 10 differs from
those current in at least three ways. First, “good” and “ought”
are univocal. There is no special moral sense of these words.
Rather, moral uses arise from different first arguments of
conditional “ought”-sentences. Second, many ethical questions are
absolutely undeterminable, since the predicates that generate the
meaning of applications of “good” are vague predicates without
definitions in other terms. Third, the model of ethical reasoning
is induction rather than deduction. “Ought” is taken as the
fundamental ethical modality. General principles about what one
ought to do can only be guidelines “Obligation” and related
predicates are a very distinct family of modals whose logic is
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deduction. Thus principles, for a Davidsonian, can only be
guidelines.
III Thanks
A number of people have given me hours and hours of their
time, reading drafts of various chapters, saving me from gaffes,
telling me about important literature I had missed and making
very useful suggestions and criticisms. Bill Lycan, John Troyer,
Lionel Shapiro, Marcus Rossberg, and Crawford Elder read various
chapters and made very helpful comments and suggestions.
Distaste for the views expressed did not deter them from helping
this enemy of truth convince others of his mistaken views. Mike
Lynch read the prospectus and this chapter. His sage advice is
responsible for the impression this introduction gives that this
would be an interesting book to actually read. The publisher’s
readers, especially the least enthusiastic of them, made the book
much better than it would have been.
Over the past fifteen years, the assembled graduate students
and faculty at our department’s weekly Wednesday Brown Bags have
heard versions of many of these chapters and have given me much
assistance in understanding how anyone could not immediately be
convinced that what I am saying is correct. The Logic Group at
the University of Connecticut heard early versions of two of the
more technical chapters, giving me much helpful feedback. In that
group, Magdalena and Stefan Kaufmann’s willingness to take my way
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 25
of dealing with modalities seriously convinced me that my views
might not be entirely crazy.
Two of my graduate students over the past fifteen years have
written dissertations showing how parts of the Davidson program
have not been shown inadequate after all. Daniel Blair (2003) and
Nilanjan Bhowmick (2012), using their vast knowledge of the
linguistics literature, have bolstered my confidence that the
Davidson program is not dead, but in a kind of suspended
animation, thus making it possible to hope that a relaunching is
possible.
Chapter 1: Davidsonian truth and its consequences
“The beginning of wisdom is the realization that sameness is
always relative to a predicate.” Donald Davidson9
Davidson’s views on semantics and metaphysics strike many
philosophers as paradoxical. Views in semantics and metaphysics
that are typically paired are not paired for Davidson. Davidson’s
account of reference is externalist, but he denies that there are
“joints” in nature. The objective world supplies the application-
conditions for predicates, but the world itself has no intrinsic
articulation and reality is not a given domain of beings and
kinds of beings. Whether A is the same object as B is relative to
9 Davidson, Donald, remark in an APA symposium somewhere on the West
Coast in the 1990’s.
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a description. Such a combination of views seems implausible and
unsatisfactory on first encounter.
Davidson’s minimalist semantic views themselves strike many
philosophers as inadequate.10 His semantics and account of truth
and predication gives no account of what makes sentences true and
gives no analysis of the meanings of individual predicates.
Truth-conditions of sentences such as “Fred is a frog”, for
instance, are given by trivial-sounding formulations such as
“`Fred is a frog’ is true if and only if Fred is a frog.”
Davidson gives no account of what it takes for “is a frog” to be
true of an object other than that the object is a frog.
This book argues that Davidson’s views about semantics and
interpretation are by and large right. It further argues that
Davidson’s ideas make some attractive views about metaphysics and
philosophy of language possible. Some of these views go beyond
anything Davidson explicitly endorsed. Some of these views are
contrary to what Davidson himself held. In these last cases, this
book argues that Davidson is implicitly committed to some views
he did not hold.
10 In a conversation with Stephen Neale, who agrees with Davidson on many points, some years ago, his reaction to my suggestion that axiomsconnecting “all” and “same” were not strictly part of semantics, his response was that this would made semantics too uninformative. Semantics that is informative beyond what is needed to explain how finite learners can understand an infinity of sentences is too informative.
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This chapter will lay out some central features of
Davidson’s account of truth, reference, and the nature of
semantics. The next two chapters will describe the metaphysics
that seems to me to fit best with that semantics, as well as with
other Davidsonian views. Many of the features of Davidson’s
metaphysical theory can be seen as consequences of taking
seriously his view that an adequate semantics for the meaning of
sentences is given by a Tarskian truth-definition.
I Truth-definition and semantics
a) What a semantics formally is
To treat semantics as a Tarskian truth-definition is to
conceive of a semantics for a language as having two components:
1) There is a list of primitive vocabulary clauses of the form
“F is satisfied by an object a if and only if Ga” where “F” is a
name of the primitive vocabulary item in the language being
interpreted and “G” is a predicate in the interpreting language.
A further Davidsonian restriction, inherited from Quine, is that,
if the interpreting language is the same as the interpreted
language, then if “F” names a syntactically primitive predicate,
then “G” is a primitive predicate. There is no predicate
decomposition in the semantics.11 This denial of predicate
decomposition has consequences for actual semantic theories, 11 In truth-definitions between languages, the necessity for a decompositionalsemantics is the result of there not being a simple predicate in one language whose extension matches a given predicate in the interpreting language. Saussure’s example of “sheep”/”mutton” //”mouton” is a good illustration. English has no word whose extension matches “mouton.”
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since an adequate semantics must account for all formally valid
inferences. So, a Davidsonian is committed to there being non-
decompositional semantic accounts of constructions which seem to
cry out for decompositional analysis. Chapter 9, treating “good”
as a special type of comparative adjective, shows that this
approach can produce an empirically adequate semantics for the
comparative adjective construction, a major case in which almost
every current linguistic analysis requires predicate
decomposition.
2) The semantics is recursive. A recursive semantics is a set of
instructions such that for every compounding device in the syntax
there is a clause in the semantics which determines the
satisfaction-conditions of the compound formed by that device
from the satisfaction-conditions of the components compounded.
The “syntax” for such a semantics can either be a rendering of
the sentences in logical form, or in the surface structure of the
language. This presupposes that there is a systematic way of
getting from surface sentences to logical forms and vice versa.
This book will not attempt that syntactic project. It will
suffice for our purposes to have assigned a logical form which
captures the structure required for the inferences which must be
formal.
When the meta-language in which the truth-definition/
semantics is done is the same as the language for which a
semantics is being given, the meanings of sentences will be given
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by apparently trivial remarks such as, famously, “`Snow is white’
is true if and only if snow is white.”12 Such remarks are t-
sentences, theorems of the truth-theory for the individual’s
language being interpreted at a time.
As Davidson points out, in order for a truth-definition to
apply to sentences with indexicals and demonstratives, the theory
strictly has to apply to utterances or inscribings by individual
language-users at particular times. Thus the sentences which the
syntax generates and the semantics interprets will almost all be
possible but not actual. As we argue below, this should be no
more troubling than the fact that most of the consequences of
physical laws are non-actual events. Truth-definitions are
empirical theories, just as Newton’s laws are. Newton’s laws
yield an infinity of conditionals about what velocities an object
would have in given conditions. Likewise, a truth-definition
yields an infinity of conditionals about what the truth-
conditions of an utterance would be if a speaker uttered it.
It is important that according to a Tarskian truth-
definition, truth is not a relation at all, but a one-place
predicate of sentences. So, truth is not a relation to facts,
12 As Davidson observes (1967a) p.35, it is actually very difficult to find a theory that will generate that particular sentence while also dealing adequately with the predicate “snow,” since there are tricky phenomena about how such mass terms work. Briefly, classical logic is designed to accommodate count-nouns, whose reference can be supposed to be classes. What “snow” refers to is an unresolved problem.
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states of affairs, or other alleged “truth-makers.”13 If Tarski’s
account says the whole truth about truth, it is not any kind of
correspondence theory at all. Truth is not a relation of anything
to anything else. Truth is a one-place predicate of expressions.
Tarski’s account is of course compatible with there being
entities such as facts, etc., whose existence is correlated with
the predicate “is true” being true of a sentence. It is even
compatible with there being truth-makers. But nothing in the
formalism itself requires anything but a one-place truth-
predicate.14
Since truth is not a relation, some conundra about truths
and reality that lead philosophers astray are not puzzling. For
example, consider the argument: “Since there were no humans when
tyrannosaurs were alive, there were no sentences then. But then
`There are tyrannosaurs’ would not have been true then, since the
sentence did not exist then. So, eternal objects such as
propositions must be the truth-bearers.” This argument has no
appearance of plausibility if “is true” is a one-place predicate
13 Given that a sentence is true, there will be relations between that sentence and facts and states of affairs. In Chapter 6, facts and states of affairs will be analyzed as entities constructed from true sentences. Truth itself, though, is still a one-place predicate. 14 Tarski’s actual account, (Tarski 1933) in effect agrees with Frege that all true sentences have the same referent, as do all false sentences. The reference of an open sentence is the set of sequences that satisfy it. By Tarski’s account, a true sentence is satisfied by all sequences; a false sentence by no sequences. Given that satisfaction is a reference relation, this more or less interprets theTrue as the universal set and the False as the null set.
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of sentences. If “is true” is a predicate of this utterance, that
is of this inscription of this sentence as produced now by this
speaker, then it is true then if and only if there were
tyrannosaurs then. If “is true” is a predicate of sentences
understood as possible utterances on occasions, sentences about
the existence of tyrannosaurs are true and were true. While it is
correct that there were no sentences in existence then, it is not
correct that “There are tyrannosaurs” was not true then. “It is
55,000,000 BCE” is a sentence of ours which was true for a year
back then.
The case is analogous to puzzles about the fact that
Aristotle might not have been called “Aristotle.” There is no
possible world, to use the illuminating metaphor, in which
speakers can truly say “Aristotle is not named `Aristotle.’”
Nevertheless, there are worlds in which “Aristotle is not named
`Aristotle’,” our sentence said in “this world” but describing
that world, is true. “Aristotle is not named `Aristotle’” is true
in those worlds because the person we designate as “Aristotle” is
otherwise designated in those worlds. In the same way, in the
distant past there were no speakers who could have said “There
are tyrannosaurs” but our sentence “There are tyrannosaurs” was
true. In both the temporal and the modal cases we are
“evaluating” our sentence in another framework, either another
possible world or another time. Our English sentence “There are
tyrannosaurs” was true a while ago but that does not mean that
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our sentence existed in those bygone days. Happily, “There are
tyrannosaurs” is not true now, but was true then.15
For Davidson, meanings are given by such truth-theory
clauses as “`is a frog’ is true of an object just in case that
object is a frog.” Notions such as that the meaning of a term is
its place in a web of belief, or that the meaning of a term is
its role in inferences are not exactly wrong. Such remarks about
meaning give accounts of the evidence germane to arriving at a
truth-definition clause in the process of constructing a truth
definition from what a person says in what circumstances. But
evidence for meaning is not the same as meaning. Acceptance by the
speaker of the inferences that follow from Fred’s being a frog is
of course good evidence that his sentence means that Fred is a
frog. Likewise, if we have evidence that the speaker’s beliefs
expressed using the term we are contemplating interpreting as
“frog” by and large match our beliefs about frogs, that will
15 As we will see in a Chapter 7, if tenses are construed as modal-like, then puzzles about truth-values of future-tense sentences, fatalism, and the like turn out to be akin to modal puzzles. If truth is understood as Davidson understands it, there is no reason to suppose that sentences about the future require the existence now of truth-makers for those sentences to correspond to. From a Davidsonian perspective, philosophers of time should let physicists find out what time is. Nothing of importance is forthcoming a priori.
Likewise, as we will see in Chapter 6, thinking of properties as“things said” might seem to run afoul of the fact that no-one was saying anything when the tyrannosaurs, with their fearsome properties,stomped about. On the Tarskian conception which Davidson adopts, none of these exotic consequences follow.
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likewise be very good evidence in favor of interpreting the term
as “frog,” that is, assigning to “frog” the predicate clause,
“`is a frog’ is true of an object A just in case A is a frog.”
A Davidsonian semantics for a natural language requires that
the sentences of the language be interpreted as having a
recursive structure so that for every syntactic compounding
device there is a semantic instruction as to how semantic values
of results of that compounding device depend on semantic values
of its syntactic components. Thus a Davidsonian semantics is a
theory of logical form. For every sentence of the natural
language, there is a representation of that sentence in logical
form, that is, as a syntactic structure of predicates, such that
the algorithm generating truth-conditions generates the right
truth-conditions. “The right truth conditions” requires that
truths be interpreted as truths and that truth-preserving
inferences which must be formal are logically valid. Thus finding
a semantics for a natural language is finding a way of assigning
logical forms to the sentences of that language such that the
true sentences in the language are the true sentences in the
formal language, and such that truth-preservation patterns which
cannot be matters of particular information are explained as
cases of logical consequence.
A Davidsonian semantics is a counterfactual-supporting
empirical theory about the sentences of a person’s language. If
we have a theory which says that “is a frog” is true of an object
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if and only if it is a frog, then the theory predicts that if the
person were to say “Fred is a frog,” that sentence would be true
just in case Fred is a frog. We find out whether that “`Fred is a
frog’ is true if and only if Fred is a frog” is true by applying
Davidsonian principles of interpretation. If our theory has the
person being interpreted asserting sentences that are false, that
is evidence against the theory. We discuss below how
interpretation assigns truth-values to sentences and thus allows
a truth-theory to be tested.
In arguing that much of Davidson’s view follows from “taking
seriously” the idea that a semantics is a Tarskian truth-
definition, I mean supposing that such a semantics is indeed
adequate and correct and working out what other things would have
to be true if that were the case. For example, if a predicate-
clause such as “`is a frog’ is true of A if and only if A is a
frog” is an adequate semantics for the predicate “is a frog,”
then an adequate semantics does not analyze the meanings of
individual lexical items. Thus any account of a language-user’s
understanding of individual lexical items must be by some other
device than giving explications or definitions in other terms.
Davidson’s semantics is also autonomous, if a Tarskian
truth-definition is a complete and sufficient account of meaning.
On some applications of Tarski’s ideas16 meaning is given 16 Deflationists such as Horwich, (1998) for instance, take meaning to be a notion independent of truth. So, “is true” for Horwich can be a fairly trivial device for generalizing. If meaning itself is
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independently and it is possible to think of the truth-predicate
as a convenience useful for stating generalities. But if the
meaning of an expression is its Tarskian truth-conditions, as
understood by Davidson, giving the meaning of another’s sentence
presupposes that one uses and understands one’s own sentences. A
truth-definitional theorem uses a clause after the biconditional,
giving the meaning of the mentioned sentence before the
biconditional.
The explanation of how a speaker learns a first language,
the language in which the speaker interprets, is not part of
semantics. Davidson uses the notion of triangulation among
speakers in a common world, described below, to provide the basic
framework of an account of what it is to acquire a first
language. Triangulation, the process by which a speaker, in the
presence of another speaker in a common world, learns to
communicate about that common world by seeing what is said in
what circumstances, is not a part of semantics proper. Strictly
speaking, truth-conditions, truth, and meaning are analyzed
circularly, so that there is no analytical link to anything
outside the circle. Meaning is truth-conditions; truth-conditions
presuppose that the meaning of the clause after the biconditional
is understood. There is no formal link to anything outside the
circle. There is evidence for correct and incorrect assignments
understood in terms of truth, then this generalization cannot exhaust “the nature of truth.”
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of truth-conditions, but truth and meaning do not reduce to some
other kind of phenomena.
If giving a t-sentence is all there is to giving the meaning
of any sentence, then truth is primitive. Any analysis of truth
would connect truth with something outside of the circle of
truth-meaning, and truth-conditions. So, given that complete and
adequate statements of truth-conditions are t-sentences, truth is
not to be reduced to anything else. There is nothing in the
account about correspondence to facts, the end of inquiry, or
coherence with a consistent set of beliefs.17
Just as “true” is primitive according to the theory, so is
“true of.” The predicate-clauses that constitute the bulk of the
truth-definition completely characterize the predication-
relation. That is, the semantics has nothing to say about what it
takes for a predicate to apply to an object beyond formulations
like “`Is a frog’ is true of Fred if and only if Fred is a frog.”
There is no appeal to properties, participation, set-membership,
or causal relations between entities and speakers.18 As Davidson
17 See Davidson, 1996.18 Davidson is aware that his account of predication is essentially what Aristotle arrived at, at least for the case of essential predication. He points out that the problem with to understanding predication as a relation of one entity to another goes back to Plato’s Parmenides. See Davidson (2005).
Aristotle addresses the issue of whether predication must involveForms or properties at least twice. In Metaphysics Z17 (1041b 12-31) he points out that, if what makes a thing one being is a further entity, then the same problem of uniting that further entity with the
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argues, the theory has nothing more to say because there is
nothing more to say that is in the province of philosophy.
What is it for a semantics to be “complete and adequate?”
There is, after all, a lot more to be said about the truth-
conditions of “Fred is a frog.” If Fred is a frog, then Fred must
be an amphibian, Fred must live on a planet on which life have
evolved, Fred must be bilaterally symmetrical, and so forth. In
the same way, there is a lot more to be said about what it takes
for “is a frog” to be true of an object. Once we understand “is a
frog,” there is a lot to be learned about what it is true of.19
My Davidsonian view is that there is a natural scientific account
of what the world must be like for particular predicates such as
“is a frog” to be true of objects, and there is the semantic
components to be unified arises, so one would have a regress. In Metaphysics B (1001a29-33) Aristotle points out that if Being and One are natures, then Parmenides’ conclusion would follow. So Aristotle recognizes that two kinds of predications, essential predicates and so-called “categorical” predicates, cannot be treated as relations to other entities. Davidson in effect extends these observations to the conclusion that predication never needs to be construed as a relation of a subject to another entity, but can always be treated as primitive.
Another way of putting this is that Aristotle recognizes that predication cannot always be treated as attachment of a property to a subject, and Davidson generalizes to the conclusion that predication never needs to be so treated. “Same” is ambiguous for both Davidson and Aristotle. “Same kind” is just different from “same individual.”19 As we will see below, “understanding” is a somewhat tricky and vagueterm. Nevertheless, semantics presupposes that some terms are understood, and a Davidsonian semantics is nothing but a systematic explanation of the truth conditions of a language in terms the interpreter understands.
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account.20 However, besides these two kinds of truth-conditions,
there is no third set of truth conditions, coming from some
deeper and more fundamental science, metaphysics, that adds
something important to answers to the question of what it is for
“Fred is a frog” to be true.
b) “Externalism”
In both the analysis of truth and that of reference, the
theory is externalist. The conditions for both truth and truth-of
are conditions of the world, not of the language-user. But no
notion other than truth itself or a use of a predicate occurs in
the analysis of either relation. As we will work out in detail
below, this means that the theory has neither a “content-fitting”
account nor a “causal” account of reference.
An externalist account of reference might seem to require a
given, that is, natural, articulation of reality into beings (for
referents of singular terms) and kinds of beings (for predicates)
independent of the beliefs of speakers. The externalist, it might
seem, must suppose that the world consists of a given domain of
beings and kinds of beings.
20 The semantic account we defend below is somewhat akin to Plato’s simple aitia in the Phaedo St. 99d-102a. There explanation of why a thing is, for instance, a frog is the safe and secure hypothesis that the thing instantiates froghood. Likewise the truth-conditions for “Joe is a frog” are given by the safe and secure “`Joe is a frog’ is true if and only if Joe is a frog.” In both cases, the answer is not as trivial as it may seem
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Another view that seems to follow from externalism is that
names directly refer to their bearers, unmediated by any
concepts. Since names do not refer by having a meaning which fits
an individual, i.e. by an individual matching an individual
concept, it might appear that reference to individuals must be
some kind of direct demonstration. Thus it must be possible to
refer to individuals directly by demonstratives such as “this” or
names such as “Fred.” According to the usual externalism which is
coupled with the view that reality is intrinsically articulated
into beings, since there is only one entity in the region
demonstrated, pointing by itself can achieve reference to that
entity.
On both of these topics, Davidson maintains his externalism
while saying exactly the opposite, as illustrated in the aphorism
that opens this chapter. Davidson denies a given articulation of
reality into beings. On this topic, he is not even a normal
relativist, since he directly attacks the idea of a given domain
of beings sortable in various ways as incoherent.21 Without a
given domain of beings, there is little hope of making sense of
direct reference. If sameness is relative to a choice of
predicates, then there is no such thing as one entity remaining
the same as itself over time except relative to being brought
under a concept. But without such identity-conditions, there is
no notion of an object. One way of putting the difference between
21 Davidson (1970).
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Davidson’s view and a direct reference view is that on a direct
reference view, “is an entity” is a count-noun that delivers a
number from a given region. For Davidson “is an entity,” while it
has the syntactic form of a count-noun, does not provide any
basis for individuation. How the combination of externalism and
the denial of a natural, given articulation of reality is
possible and in fact the most reasonable view is the main topic
of Chapters 2 and 3 below.22
It could seem that a Davidsonian semantics does not deliver
much, and that what it fails to deliver is crucial to the
adequacy of a semantics. In particular, an account of predication
that does not connect it either with the contents of concepts or
with designating an item as of a kind in a given articulation of
the world may seem hopeless. Davidson, as an externalist about
reference who does not suppose a given domain of beings to be
latched onto by the singular terms and predicates of a language,
provides no determination of or constraint on truth either from
inside the speaker or from the outside world. So nothing seems to
constrain truth or the application of a predicate. The questions
then naturally arise “What does make a sentence true?” “What
makes a predicate apply to an object?”23 The answer implicit in 22 The topics of how names refer is not one that Davidson ever addresses in a
thorough way. In Davidson (1993) he does suggest what his account would be.
This will be discussed below.23 This question of the apparent lack of constraint on a sentence being true
by anything external to the sentence was brought home to me by Martin
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t-sentences and t-clauses is that nothing makes a sentence true
and nothing brings it about that a predicate applies to an object.
For Davidson, truth is a primitive with connections with, but not
a definition in terms of, notions of the intentional scheme—the
terms we apply in talking about beliefs, desires, actions, and
intentions. The same holds for “true of.”
I argue below that this laconic semantics is a good thing,
and gives the right answers in the right way. I also think that
some of the so-called basic questions are pseudo-questions.
Metaphysical answers to what predication is, for instance, do
little but re-phrase “is true of” in terms that leave one no
better off than the disquotational t-clause.24 For the most part,
I will construct accounts that fit the above conditions on a
Davidsonian semantical theory and also cohere with other views
Davidson held. So, this book will argue that these apparent
problems are actually positive features. I will argue that the
Prinzhorn, oral communication, Vienna, 2005.24 Davidson endorses regress arguments in (1967a). Here is one version, adapted from his class in 1967: Suppose that “Theaetetus flies” is to be understood as “Theaetetus participates in Flying.” Participation is a predicate. So, the real structure would be “Participation obtains between Theaetetus and Flying.” And so on. The argument of course goes back to Plato’s Parmenides. A similar regress structure causes difficulty for explaining the relation that binds an individual and a universal to form a fact, since the binding relation must itself be a universal. A further intuitive exposition of the problem puts it as articulating the difference between a set and something being true. Joe and froghood both exist whether ornot Joe is a frog. Joe, froghood, and participation all exist wheterh or not Joe participates in froghood. Davidson takes these ancient regress arguments to show something important. I agree.
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Davidsonian position makes possible a “metaphysical” view that
accommodates Kripkean intuitions about naming and modalities
while retaining Davidson’s rejection of a given articulation of
the world into Beings.
The resulting ontological view, which I call “relative
essentialism”, was never espoused by the actual Davidson or the
actual Quine. However, it seems to me to flow naturally from
their perspective, and to be in fact something to which they are
implicitly committed. The view accommodates an overlapping
plurality of kinds of real objects governed by laws of various
degrees of strength. Cows, tables, gluons and 2007 Impalas all,
as we would hope, gain admission to Being. What is missing,
metaphysically, is the idea that there is one articulation into
beings that is “given” in nature and is foundational for the
others. In a way, this is to say that the theory does not have
metaphysics, in the pre-Kantian sense that is now so much the
fashion. The view has the trivial cost that countless un-law-
governed kinds of beings exist as well, so to speak, burbling
harmlessly alongside the ones we care about. I will argue in
Chapter 3that the theory arrived at is a very plausible and
satisfying one. Once a Davidsonian semantics is understood, it
allows the possibility of positions that previously seemed
desirable but impossible.
If metaphysics is the history of the uncovering of Being, as
Heidegger (2000) argues, the present essay is anti-metaphysical.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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Being is about as mysterious a notion as notions get. To make
“being” the centerpiece of one’s thought is, I will argue, a
mistake. Beings are posits required in order that we can make
formal inferences which depend on a sub-sentential structure.
Beings are posited in order to think and speak.
Some discussions that call themselves “metaphysical” will
make sense on the present account. Discussions of how various
kinds of beings are related, whether laws of one kind of object
are explained by laws about another, and so forth are untouched
by the idea that there is no single given natural articulation of
the world. Likewise, they are untouched by the rejection of
properties and facts as fundamental explainers.
On the other hand, questions about whether the world is one
or many, whether only organisms are really beings, whether the
world is “gunk” or atomic, what the identity conditions of
properties are, and how properties attach to individuals will
seem exactly like metaphysics seemed to the logical positivists—
pseudo-questions. This is not to say that they are of no
interest. They are interesting in the way that providing a
general theory of how to cast horoscopes for star systems with an
arbitrarily large number of planets would be interesting. They
are pure conceptual artwork.
c) Theories of Reference
If the format “`is a frog’ is true of Fred if and only if
Fred is a frog” is an adequate homophonic semantics for
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predication and the format “`Fred’ names Fred if and only if Fred
is a Fred”25 is an adequate semantics of the name-relation, then
every standard account of reference is likely to be mistaken. If
truth is primitive, then so is “true of,” and “names” (if these
relations are different and a fortiori if they are the same.) One
way to see what is different about Davidson’s view of reference
is to contrast it with two general ways that reference has been
theorized about, and show that Davidson’s view follows neither of
them. The two general formats are internalist “fit” accounts
which take reference to be some kind of relation between a
conception and the world, and externalist “causal” accounts which
take reference to be some kind of natural relation between
expressions and their origins. Davidson’s theory of predication
and reference is neither of these.
1) Internalist “fit” accounts take reference to be fixed by a
match of some sort between the features of the word or underlying
concept and the features of the object or kind referred to. A
classic example, of which modern versions are variants, is the
ideas of Locke or Condillac. More modern versions are the
description theories scouted by Kripke (1970) and Frege’s (1892)
senses, from which there is a function to a referent.
“Fit” accounts that invoke Platonic Forms, language-
transcendent intensions, or Fregean senses are not genuine
25 I argue below that Davidson in effect assumed that something like
Burge’s(1973) account of names was correct.
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options for Davidson. Davidson, along withy Quine and many, many
others, seeks an account of language that accounts for language
as a natural phenomenon, the result of natural interactions of
human beings with their environments. Correct application
according to a naturalistically acceptable internalist theory
depends on how the term is used. In an internalist theory of the
acceptable naturalist kind, something like the intension of a
term is constructed by projecting from actual applications in the
language community.
Since an account of correct application must allow the
possibility of incorrect application, the language community must
be a plurality of speakers. If natural kinds are not available as
constraints on extensions of human language predicates, any
psychologically possible projection of a sequence of applications
of a predicate to new cases would be as acceptable an
interpretation as any other. If there are no natural kinds, there
is no reason to select one projection over another. An
internalist account of the extension of predicates cannot appeal
to “joints in nature.” So, if we allow a single idiolect to be a
language-community, that is, allow that there could be private
languages, and determine partial intensions of terms by seeing
when terms were applied, there would be no possibility of
incorrect application. Since any psychologically possible pattern
of linguistic response to an environment would be a candidate for
a partial intension, no response a speaker could make could fail
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to fit an acceptable projection of a term to new cases. Only with
a plurality of speakers, so that correctness can be fixed by some
kind of majority rule, would it be possible for a speaker to
wrongly apply a term. Thus the natural idea for a naturalistic
internalist philosopher of language is a conception of language
on which language is essentially social in the sense that there
are rules and norms of a public language required for a speaker
or writer to say something that could be true, since only such
norms can supply the possibility of an utterance being false.
On this kind of internalist picture, of which the later
Wittgenstein (1953) is an example, only approximations of a
Fregean intension are generated. A real Fregean intension for a
term F would sort every possible object into either the F-pile or
the not-F pile. But from no finite collection of a society’s
applications to objects will such a sorting be determined. An
internalist will thus have three sets associated with every
predicate: The set to which the predicate applies; the set to
which its negation applies, and the set to which neither the
predicate nor the negation applies. There will always be multiple
ways of projecting, that is, bringing new elements into the first
set, from any such collection. So, Lewis’ “semantic indecision”26
is built into any theory of internal contents.
On such internalist accounts, any necessities about objects
would be analytic truths—if the term fits the object, the object
26 Lewis, David, (1986), page 213.
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must have the features represented in the term. Since the
necessary truths and the truths about possibility rest on
intensions associated with terms, such necessities are de dicto.
Historically, many versions of internalist theories held that all
necessity was analyticity—to be explained by the containment of
one concept in another, so that necessary truths were at bottom
logical truths.27
In fact, though, such theories typically seem to be
committed to an underlying essentialism requiring some other
account of reference. Identifying the objects responded to and
the properties of those objects whose possession qualifies an
object as of one kind or another presupposes a domain of objects
and properties already given to the language-users. The job of
the language-users is to sort the given objects into groups
corresponding to their predicates according to their possession
of the given properties. But sorting objects into categories
presupposes already having identified those objects. If the
objects are given prior to the application of those concepts
whose intensions determine their correct application, then those
objects, as given, cannot without regress be picked out by
concepts whose intensions determine correct application.
27 Carnap’s (1956) explains such containment as a matter of rules of language, as an explication of the classical metaphor of “containment.” “Containment” is, I think, literal in Plato’s thinking in the Sophist. See my (2010).
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That is, to have an array of objects to sort, some
conditions on when an object exists and when there is one object
rather than more than one is presupposed. But that generates
objective de re necessities about, for instance, physical objects
as such. Thus, apparently, internalist accounts of reference
presuppose another externalist account of “object as such.” To
conceive of a language as a division of the world into categories
is to suppose that the world comes divided into beings already. A
genuinely pure internalism would find no basis for resemblance
that does not beg the question or presuppose a given. The only
pure internalism I know of in philosophy is Nelson Goodman’s.
Goodman had thought through this issue decades ago and
characterizes assignments of predicates to objects as “decrees.”
That is, as the basis for applying the same predicate again is
not some given articulation, but rather a decree which
establishes an articulation.28
b) Externalist “causal” accounts take reference to be a relation
established, not by any match between intrinsic features of a
language-user’s words or concepts and objects, but rather by some
kind of causal interaction between the speaker and a given array
of beings and properties in the world. The relation can be
evolutionary history, initial baptism, or “made this dent in the
wax tablet.”29 Reference is fixed by a relation that does not
28 Goodman, Nelson, (1966) p.134.
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depend on intrinsic features of the word or any internal state of
the language-user.
Such realist “causal” theories seem30 to rely on a given
segmentation of the world into beings and kinds of beings. From
that given segmentation, both objects to be named and the
predicates applied to those objects are fixed by the given
segmentation into beings and kinds of being. Nature has joints
and is carved at its joints31 by a predicate system that can
express truths. Predicates true of anything name kinds, and names
that refer designate entities that are elements of those kinds.
The natural segmentation is reflected in objective necessities,
which for a naturalist are laws of nature. These necessities
yield essences, objective conditions on what it takes to be an
entity of a given kind. As we will see in Chapter 8 on the
sorites, the “necessities” have to be seriously weakened in order
to accommodate the existence of my Chevy Impala.
29 Plato suggests such a theory in the Theaetetus St. 190e-195b, but does
not take it up, rather treating the dent as referring by resemblance.30 In fact, as we will see below, for many cases a Davidsonian can agree that a causal relation is required in cases of ostension of a physical object. For Davidson, causal relations do not require a privileged segmentation. In general though, reference would not involve causal relations and would certainly not be defined in terms of causal relations. Kripke (1970) does not think he has a “causal theory of reference,” only that causal relations are relevant in lots of cases. Perhaps not for the cube root of 2.31 Plato Phaedrus 265d-266a.
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Externalist realist theories thus presuppose a given domain
of beings sorted by nature into kinds, manifest in natural laws,
whose natures individuate those objects. In human languages,
reference of names and correct application of predicates is
secured by linkage to those entities and their kinds. The
necessities thus underwritten are de re absolute necessities.
As the next chapter will examine in detail, the great
systematic advantage of a monistic causal realistic semantics is
that it reflects the very intuitive Aristotelian distinctions
that outline the conditions for a world of objects and
properties. The essence-accident distinction, positing a
difference between changes that are alterations and those that
are extinctions, in effect is the format for a world of objects
that undergo change while surviving some of them. The basic
contrast between the object itself and a feature of that object,
part of any common-sense realist metaphysics, is encoded in a
realist causal semantics. A descriptive metaphysics of the world
we live in seems to require the picture that this semantics
reflects: given objects divided into given kinds.32
32 Even revisionist metaphysical accounts which abandon the objects of ordinary life use the same Aristotelian format, with different primarysubstances. An ontology of space-time points, for example, takes each point to be necessarily related to every other point, so that its identity and persistence conditions are fixed by their very nature. For ontologies with other-than permanent beings, the essence-accident distinction is more complex.
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Modal judgments such as that Fred can get a better job while
remaining the same person, that this rabbit could have eaten
different carrots but comes to an end when stewed, and that this
stuff, since it’s water, has to freeze at -100 Celsius are among
the intuitively obvious truths that make up the normal person’s
picture of the world. Accepting de re modal sentences is part of
the normal view of the world, and is constitutive of the view
that there is a world of objects and agents to be treasured and
dealt with.
Given that Davidson holds that interpretation presupposes
that much of what any interpretable agent believes is true, many
of these de re modal beliefs must be true, according to his own
theory. It has to be the case that people can get haircuts and
survive, and that pedicures are not fatal. Chapter 3 will show
how a Davidsonian can countenance such de re modal truths without
supposing that the world is in itself naturally divided along
joints; that there is a privileged segmentation into objects and
properties.
II Davidson’s externalism
Davidson’s semantics is externalist. The application-
conditions for a predicate or name are given by formulas that
only mention objects in the world. Predicate-clauses and clauses
giving the references of singular terms mention only objects in
the world. There is nothing in the clauses of the semantics about
features of the concepts or words that must fit anything, except
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to the extent that the requirement that “is a frog” be true only
of entities that are frogs is “fit.” Truth is not a relation of
anything to anything else. Truth is a one-place predicate of
expressions.
Davidson denies that there is a privileged “real”
segmentation of the world into beings and properties. Nothing
about reference to real kinds occurs in the truth-definitional
formulae. In addition, the aphorism that heads this chapter,
ruling out the absolute sameness that a privileged segmentation
would warrant, is well-supported by Davidson’s writings33 and by
his Quinean anti-essentialist heritage.
Most of what most people say, on Davidsonian interpretive
principles,34 is true. So, a consequence of taking reference to
be completely defined by truth-definitional formulas is a
proliferation of kinds, as it were. Given that most of what most
people say is true, the “ontology” to which Davidson is
apparently committed includes everything about which there are
true affirmative sentences in any culture, at any time, in any
language. Since there is no privileged segmentation into objects
and kinds of objects, there is much latitude in which sets of
salient objects are extensions of predicates. Terms are correctly
applied to a wide variety of overlapping objects. Thus,
extensions are very much shaped by usage—what people say when can
33 See for instance Davidson (1974.)34 Davidson (1973).
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yield sets of true-of-objects predicates that vary between
cultures and within cultures over time.
It is a misunderstanding of Davidson’s aphorism that “The
beginning of wisdom is the realization that sameness is always
relative to a predicate,” to say that this account of reference
and predication takes linguistic items to be foundational. Given
Davidson’s understanding of the conditions of application of a
predicate, the aphorism is about objects, primarily, not about
words. Since what the predicates are true of is given by the
schema “`is a frog’ is true of A if and only if A is a frog,”
Davidson could have said “The beginning of wisdom is the
realization that sameness is always relative to a kind of
object.” This would be true to his view, but would lend itself
to a joints-in-nature monistic realist misinterpretation. Talk of
“predicates” emphasizes that the objects are not a given
privileged domain of beings. It is true, as will be discussed
below, that human practices, including linguistic practices, in
some sense select and in a way create the objects and properties
we talk about and think in terms of.35
Among the various objects which are elements of extensions
of predicates there are of course many distinctions that could be
made. Some posits are useful for science, some for art, some for
industry, some for personal relations. But there is no clear 35 It will be noted that the humans and their practices are not elements of a privileged segmentation either. I’ll get to this. Bear in mind that not being privileged does not imply not being.
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sense Davidson can give to the question which predicates pick out
the real Beings.36 It could turn out that some families of
predicates can be reduced to others in a law-like way, and so
would be dispensable. The Quinean scientistic option of
privileging the predicates of physics and junking the less
orderly predicates is unmotivated for Davidson, and incompatible
with Davidson’s expansive conception of charity. On one
significant issue, though, the present essay will diverge from
Davidson. As we will see in Chapter 5, on events, the aphorism is
strictly incompatible with anomalous monism.
There are some prima facie puzzling consequences of the view
I’ve ascribed to Davidson. First, it would appear that different
physical objects can completely fill the same space at a time,
perhaps raising a question about their solidity. On the natural
construal of Davidson’s view, since there are overlapping kinds
and so overlapping objects, there is no particular object that
36 It is puzzling to me that many of my colleagues seem to have such clear conceptions of Being that they are willing to deny that there really are shadows, and the like. I have no such conceptions beyond the Quinean one in “On What There Is,” (1950) which I take to be a kind of jocular response to some of his contemporaries. I recommend reading a few chapters of Paul Weiss’ (1938) or (1958) in order to join in Quine’s bemusement with the idea that Being is a Big Question.Even Quine, though, took Being seriously, to the extent that he thought there was some advantage to having fewer beings in one’s ontology. I take this to be an aspect of his scientism, his insistencethat scientific terms were the only worthwhile kinds of terms in whichto think of the world, and that scientific theories were the only worthwhile picture of knowledge.
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will be demonstrated by a demonstrative. Thus direct reference to
objects seems to be impossible. Apparent de re modalities, such
as “This has to be H2O” would only be relative to a predicate or
non-exclusive kind of stuff, not a real de re modality. In
Chapter 3 these ontological consequences will be either
vindicated or shown not to be genuine consequences.
Second, as noted above, and verified in conversations with
many colleagues, this account can seem to be too thin to have
content. The account of truth-conditions as given by t-sentences
appears to be analytic, not empirical. T-sentences seem to tell
us very little about what it takes for a sentence to be true.
Third, the account also seems not to accommodate strong
intuitions about modality. There seem to be true de re modal
sentences. But without a given domain of objects with their
kinds, it might seem that such sentences would not have a ground
in reality. How can there be de re modal sentences unless the res
are given prior to the language use? More generally, how can
there be an externalism, where independent objects fix the
reference of terms, unless there are beings that are given
independently of our terms, concepts, and thinking?
The next section will argue that t-sentences are the only
general and accurate way of giving truth-conditions. Chapter 2
will argue that there are in fact no absolute de re modalities,
even though there are de re modalities. The modalities depend on
the objects, not the contents of the concepts behind the words.
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Chapter 3 will argue that objects, including ourselves, are in
some sense our “posits”, but are none the less real, and not mere
projections of our thinking. In some very loose sense, Hegel’s
(1807) identification of objects and consciousness is vindicated
on Davidson’s account. Chapter 3 will conclude with a discussion
of how apparent direct reference takes place without a given
domain of objects. Chapter 4 extends the results of Chapter 3 to
the special case of events and to the relationship of the mental
and the physical. Anomalous monism will turn out to be
incompatible with this neo-Davidsonian conception of Being.
“Innocuous dualism” might be the term for the resulting view.
Chapter 5 discusses what a (neo)-Davidsonian theory of modality
and conditionals might be and how the particular neo-Davidsonism
writing this book proposes to understand the relative de re
modalities of Chapter 2.
Chapters 6, 7 and 8 will discuss the consequences of this
neo-Davidsonism for metaphysics and meta-ethics. Questions about
what properties and propositions are, how medium-sized objects
fit with micro-particles given the sorites, future contingents,
and questions whether objects endure or perdure will look very
different from a Davidsonian perspective. Chapters 9 and 10
present what I think is the most important consequence of
thinking in a Davidsonian way. A Davidsonian semantics for
“good,” and a Davidsonian theory of “good” and “ought” based on
Davidsonian ideas about interpretation yields a conception of
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ethics that differs a great deal from most of what in current in
both ethics and meta-ethics.
III Davidsonian t-sentences
a) ostension and understanding
For Davidson, ostensive language-learning of a first
language takes place by triangulation. “Triangulation” is
Davidson’s term for the general idea that language-learning takes
place between two subjects who recognize each other, each other’s
responses, and a common world. Triangulation has three elements:
First, there is a speaker-teacher in an environment uttering a
word with some object salient in that environment. Second there
is a hearer-learner observing the environment, the speaker, and
the word, and interpreting that utterance. Third, there is the
world common to both the speaker and the hearer. The hearer
interprets the speaker’s words as true of some salient object in
their common world.37 Davidson, in characterizing this
triangulation and its consequences, is careful to say that the
sameness of object and sameness of response by the language
learner and teacher are samenesses for them, not in some sense of
sameness that transcends any predicate scheme. When the
samenesses for the teacher are also samenesses for the learner,
the beginnings of acquiring a term has occurred. In ostensive
learning, the learning is learning to identify elements of the
extension of the term.
37 See Davidson (1992).
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Triangulation is a nascent case of radical interpretation.
The language-learner has to take the situation to be one of
interpretation of the behavior of the language-teacher. Thus the
language-learner must have the pre-conceptual beginnings of a
theory of other minds—the learner has to recognize the teacher as
an agent, doing things for reasons. Thus saying the same word in
the presence of the same object must mean that the word has
something to do with the object, and that the teacher is speaking
in the presence of the learner for some purpose, namely
communication.
“Triangulation” is not intended to explain anything about
the psychological conditions for original language acquisition.
Rather, it sets out the general conditions that logically must
obtain for a speaker to acquire language. The core idea is that a
language-user has acquired a concept of truth, which requires a
distinction between truth and falsity. If there is nothing
distinguishing correct application of a term from an application
one is disposed to make, there is no purchase for truth, because
there is no purchase for falsity. A learner can see that the
teacher utters “dog” when a Saint Bernard is present and when a
Chihuahua is present. The learner has acquiesced in this part of
the “conceptual scheme” of the teacher.
Davidson’s “triangulation” story is a variant of
Wittgenstein’s (1953)38 “Private language Argument” that language
38 Wittgenstein (1953) section 243 and following.
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must be social. To be a language user requires that the speaker
be in a language-community. However, the language community need
not use the same words for the same kinds of things. The
“language community” for Davidson need only recognize a common
world in the sense that the samenesses for the learner are the
same as the samenesses for a teacher. There is no requirement
that the words be the same. While the learner may choose to utter
“chien” in the presence of dogs, the learner, assuming that the
teacher is communicating truths, will apply “chien” to Chihuahuas
and Saint Bernards as well, even though their perceptual
presentations are very different. That is still acquiescing in
the “conceptual scheme,” if not in the language of the other.
In spite of their differences about whether a common
language rather than a common world is required for language to
take place, Davidson and Wittgenstein are articulating the same
distinction, that between two things looking the same as opposed
to two things being the same, that is between appearance and
truth. Without another agent, there is only looking the same.
There being an objective world is exactly this difference. When a
person recognizes this difference, the person has the notion of
truth.
In fact, for this kind of ascent to the conceptual to take
place, a language-learner must be pre-programmed to learn
language and to understand other agents as agents. Just as
important, the speakers have to be prepared by evolution to posit
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objects in roughly the same way. Medium-sized animals must be
salient objects for both of them, for instance.
Once the learner has a repertoire of ostensively learned
predicates, the learner can learn various connections among
predicates, can store images, etc., in a store of information
associated with the lexical item. The learner in effect acquires
a personal repertoire of material when coming to understand a
word. In certain special cases, such as scientific terms, the
learner acquires a theory that constitutes a real Web of Belief,
where the connections among terms become theorems. That is, for
words such as “gluon” or “isosceles,” the material lends itself
to the kind of propositional organization and systematic
connection with other words that makes “theory” an appropriate
characterization of the source of a person’s competence with a
term. While Quine was primarily interested in scientific
language, the theory idea is not very persuasive in the case of
other lexical items, such as “John.” An insight such as that of
Augustin Rayo, (forthcoming) briefly discussed below, is a more
appropriate picture.
b) What t-sentences are
A t-sentence pairs a mentioned or cited sentence with a
clause that is used to give the truth-conditions of the mentioned
sentence. (And likewise for predicate clauses in a truth-
definition.) Truth-conditions are given in a language that is
understood already, so that it can be used to say what the world
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has to be like for the sentence to be true. So we are dealing
with the language of a particular person at a time, an idiolect,
not a language as a social construct. A Davidsonian is aware that
even if I don’t know what “amygdule” means, I know that in the
mouth of someone who can use “amygdule,” ‘ “Fred is an amygdule”
is true if and only if Fred is an amygdule’ is true just in
virtue of my knowing that “amygdule” is a count-noun. Without
some connection to usage, “amygdule” is not part of my language
(in Davidson’s idiolect sense) so I can’t use it. I can only cite
it or mention it. Homophonic t-sentences, unless their component
words are being used, are themselves not being used at all. Since
they contain a citation in a position where a use is required, an
apparent homophonic t-sentence with a cited word is not a t-
sentence at all.
For “use” to be literally about a speaker’s speaking or a
writer’s writing, most of the t-sentences the semantics generates
have to be counterfactuals about what the truth-conditions of
possible alternative speech-acts by this person speaking this
idiolect now would be. As noted above, a truth-theory for a
person at a time generates counterfactuals about what the truth-
conditions of an infinite number of possible utterances and
inscriptions would be. This constitutes an empirical theory about
which utterances would be truths under what conditions. Put
another way, for a word to be used, it has to be part of the
speaker’s language. So, a term can only be used if it is
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understood. So, what can a Davidsonian say about the conditions
for a word being understood? It should be clear on reflection
that both “use” and “understand” admit of degrees and have vague
borderlines. In consequence, the “use-mention” distinction is
clearly a vague borderline notion, to be discussed in Chapter 8.
If I don’t understand French and I say “Jacques said that
les neiges d’antan sont disparues,” I haven’t really done
indirect discourse in Davidson’s analysis, but rather a kind of
citation or quotation. . Likewise, when a spy listens in on
discussions of nuclear physicists and reports to his superiors
what the physicists said, but doesn’t know anything about gluons,
neutrons or quarks. When he reports to his spy-master “Hashem
said that the mass of a neutron is mostly gluon energy, not
intrinsic quark mass,” he is not using all the words in the
“that” clause. All he knows about gluons, neutrons, and quarks,
is that they are things physicists talk about, and that is not
enough for those terms to be part of his language. He is like an
illiterate transporting a text.
A speaker needs to know “enough” about the extension of a
predicate in order to use the predicate. The spy knows something
about gluons and the predicate “is a gluon” when he knows that
gluons were what physicists were talking about yesterday. That
seems inadequate to constitute “understanding” and so inadequate
to qualify his utterance of the word as “use.” And so, if this
speaker utters, “`Fred is a gluon’ is true if and only if Fred is
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a gluon,” he has not given the meaning, according to my
Davidsonism. But what is sufficient for understanding? Do I have
to be able to cite the equations that determine the range of the
strong force?
As Putnam39 pointed out some decades ago, many of the terms
of a person’s language, like “is an elm” in Putnam’s idiolect,
have only a weak connection to the rest of what we know, and are
not cases where we can directly detect items of the extension. We
refer to things by referring to the experts who know about the
things. What experts say is evidence in the same way that cloud-
chamber tracks are evidence. In both situations, we have a kind
of indirect access to an extension. In Putnam’s examples, though,
Putnam knows that elms are trees, and knows something about
trees. There is a difference between my knowing for crossword
purposes that a gnu is a kind of antelope without being able to
identify one, and my having learned to fill in (correctly)
“haggadic” when the crossword puzzle clue is “non-halakhic
midrash” when I can’t say anything about either “haggadic,”
“halakhic,” or “midrash.” I knew what antelopes are, roughly,
even though I didn’t know that they are members of the genus
Connochaietes, of the family Bovidae, of the order Artiodactyla.
Since a Davidsonian is an externalist, the resulting grab-
bag that constitutes understanding a term is a collection40 of
39 Putnam, Hilary (1975). 40 See Rayo (forthcoming).
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bits of knowledge, not a collection of bits of belief. My
misconceptions about quarks are not additions to my understanding
of the term and ability to use it. If we take a person’s concept
to be the person’s opinions and dispositions to identify
associated with a kind of thing, our understanding of a term
generally differs from our concept expressed by the term.
With a few exceptions, for instance mathematical concepts
and those precise terms where there are sharp laws connecting
predicates of different families, our understanding of the terms
we use falls short of necessary and sufficient conditions. I know
that cows are domestic mammals with horns and are used for milk,
and can identify cows reasonably well. But sorites arguments and
peculiar non-standard cows may baffle me. In particular,
sequences of cow-like animals constructed by ingenious subtle
changes in a decomposition sorites may leave me unable to
determine whether an entity is a cow or not. The possibility of
a genetic sorites, where DNA is shifted unit by unit, starting
from an animal that is clearly a cow and ending with an animal
that is clearly a capybara, seems to show that the very notion
that there are lawlike necessary and sufficient conditions for
being a cow is dubious. In such an imagined continuum, when does
an organism cease to be a cow? Regardless of such difficulties in
determining the truth-conditions of “Denise is a cow” in
helpfully other terms, I can be very confident that “is a cow”
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applies to an object if and only if it is a cow and that “Denise
is a cow” is true if and only if Denise is a cow.
T-sentences are thus the only reliable device for giving the
meaning of a term in my language or in another’s. I can
understand a term without knowing everything about its extension,
or even very much about its extension. Only in rare circumstances
can I give a definition of a term by giving necessary and
sufficient conditions using other predicates I understand. So,
the homophonic t-sentence is my only complete and accurate
account of the meaning. Given that I understand the term so that
my utterance or inscription is a use, my t-sentence legitimately
and completely accurately gives the meaning in terms available to
me. So, my utterance may be analytic in my idiolect, and perhaps
analytic in the idiolect of anyone who is using the words in the
sentence as I do, but this analyticity does not make the t-
sentence trivial. So, t-sentences and t-clauses are as good and
informative as a semantics can be.
III Understanding without Lexical Semantics
This section tries to assuage some worries about whether a
Davidsonian semantics, as described above, can account for what
appear to be analytic truths and objective necessary truths. At
several points there will have to be promissory notes about
theories to be argued for in later chapters. In particular, I
will be developing a different conception of being in later
chapters. I will be arguing that there being no privileged
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divisions into Beings and Kinds does not mean that there are no
objects. Given that there are objects, any explanations in terms
of natures of those objects that explain anything on the
“realist” absolute model will also explain the same thing on a
model on which indefinitely many “objects” are real. Briefly,
only some of those potential “objects” will have anything
approximating laws about them. As I will argue, “joints in
nature” do nothing that is not accomplished by posited objects
about which there are truths and laws.
This section will first explain my understanding of
Davidson’s notion of interpretation, and then briefly discuss
analytic truths and the notion of the lexical. Necessary truths
will be a topic of the next few chapters.
a) Interpretation
On a Davidsonian account of language understanding,
“interpretation” does much of the work assigned to semantics in
some other kinds of theories. Interpretation of speech or text
acts is a special case of action interpretation. In action
interpretation, we apply the core components of our theories of
agenthood as probabilistic constraints on what this presumed
agent is doing. These core components constitute what can be
called “the intentional scheme.” “The intentional scheme” is the
rough explanatory theory in terms of belief, desire, intention,
that is central to humans' conceptions of themselves as agents.
We can try to articulate this rough theory as basic decision-
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theoretic principles supplemented by guidelines about maximizing
agreement, along with other guidelines about agents. Since the
agent with whom we are best acquainted is ourselves, such
principles generally amount to “maximization of agreement”
principles. Another term for the “intentional scheme” would be
“rationalization” the interpretation of events as actions by an
agent. There is reason to think that the intentional scheme is
built into humans (and perhaps other organisms) innately, in much
the way that the “enduring physical object” scheme is.
For much the same reason that there is no algorithm for
theory-change in the face of new data,41 so there can be no
algorithm for interpretation of people’s speech acts.
Interpretation requires coming up with explanations of behavior
that involve new concepts and new phenomena. No algorithm from
1950 would yield the understanding of a person applying thumbs to
a small box that someone is texting on a cell-phone. In addition,
interpretation requires understanding new metaphors and other
figures, mis-statements, malapropisms,42 and other novel
linguistic phenomena. Since interpretation is always of
particular situations in which novel collections of information
are relevant, interpretation is guided by rules of thumb and
general guidelines, but is not a theory in any technical sense.
41 Carl Hempel (1965) page 6, argues that since scientific theories contain new, non-observational terms, there can be no algorithm for getting from observations to explanatory theories.42 Davidson (1986)
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Anything and everything can be relevant to the question of what
to make of a speech act.
Examples of the application of interpretation are ubiquitous
in Davidson’s thinking. Davidsonian interpretation is a kind of
generalized Griceanism.43 Davidson understands metaphors, for
instance, as utterances that are obviously not true or relevant
to the situation, and so must be intended for something else.
“The outer door will be locked whenever all employees have left
the building” could be understood either as a generalization or
as an instruction, depending on whether the audience is fellow
burglars or employees. On every interpretive occasion, the
immediate environment, various pieces of information about the
speaker, intonation-patterns, and so forth affect how the
utterance should be understood. If we don’t think of “context” as
a set of parameters from which there is a function to a referent,
we can say that interpretation is always in and relative to a
context.
Interpretation is thus required, not only in arriving at a
truth-theory for a particular speaker, but also in understanding
utterances of those for whom you already have arrived at the
clauses of a truth-theory. Each speech event or writing event is
43 A lot of detailed work has been done on exactly what goes into interpretation in conversation. Some of this work extends Stalnaker’s notion of “context set,” other work extends Grice’s (1989) work and Lewis’(1979) notion of ‘keeping score.” See recent work by Craige Roberts, for instance her (1996).
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in a different context, and each such context is relevant to what
the speaker intends to communicate.
The objects being interpreted for Davidson are essentially
individual actions, whether speech-acts or writing acts. A
speaker presents a sentence with a truth-value for some purpose.
The rhetorical force of the utterance is part of the expression
of that purpose. If a person wants to communicate dissatisfaction
with my performance, one way to so do is to say “Good job.”
Interpretation as communicating dissatisfaction supposes that the
person knows that I know that it was not a good job, and knows
that I know that he knows that it was not a good job, and is
being sarcastic. Likewise, when a person calls his guinea pig an
eggplant, we know he knows that no guinea pigs are vegetables of
any kind, and so we conclude that his utterance is meant to point
out something about how dumpy the little animal is.
b) Analytic truths and the lexical
One characteristic of a Davidsonian semantics, inherited
from Quine, is that there are no analytic truths. Every
consequence of “is a frog” being true of a thing beyond
disquotation is information about the extension, not part of the
meaning. Analytic truths traditionally would be those truths
which follow from the content of a concept, where a concept is
construed as a non-linguistic or trans-linguistic bearer of
meaning expressible in a language. From the perspective of a
recursive semantics, the denial of analytic truths is the denial
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that the semantics need contain any predicate clauses other than
the disquotational ones described above. For instance, there are
no clauses in the semantics of the form “`is a dog’ is true of an
entity a only if a is an animal.” That dogs are animals is not a
semantic fact, but a fact about dogs.
It certainly does seem that being an animal is part of what
it means to be a dog. Davidson and Quine can explain the feeling
that certain connections are “built into the meaning” of certain
predicates. While the explanation of “analyticity” as meaning-
containment is unavailable to a theorist who gives truth-
conditions with t-clauses, a Davidsonian need not deny that there
are sentences that can only be interpreted reasonably if they are
interpreted as committing the speaker to other sentences. If a
person’s use of “taller than” does not in general abide by
transitivity, the person cannot mean “taller than” by “taller
than,” but may perhaps mean “looks taller than.” Obvious truths
are of course preserved in interpretation, but they are preserved
because they are obvious and true, not because they are part of
meanings.
The problem cases for a semantics without predicate
decomposition are ones where inferences which must be formal seem
to require that the semantics analyze some predicates in terms of
others. The construction which seems to require such predicate
decomposition is the comparative adjectives, words such as “tall”
and “long.” Briefly, in order to get both “John is taller than
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Fred” and “John is two feet tall” to use the same “tall,” it
appears that some hidden reference to dimensions or some such
device is required in the semantics itself.
In fact, a very plausible theory is possible which abides by
Davidsonian strictures. One of the comparative adjectives is
“good,” as Davidson mentions in “Truth and Meaning.” A proper
account of the Nature of the Good will, following Davidson’s
ideas, starts with an account of logical form. An account of
“good” as a component of an account of comparative adjectives, is
Chapter 9. Modal constructions, another case where something
beyond predicates, set abstraction, and truth-functions might
seem to be required, are given a Davidsonian treatment in Chapter
5.
Davidson said relatively little about how lexical items
should be treated. He says a great deal about interpretation—how
one understands what someone else says or writes. Such
interpretation has to put in one’s own terms what the other
person said or wrote. This raises the question, how those “own
terms” are to be conceived. Beyond proposing a semantics in which
analysis or decomposition of lexical items is absent, Davidson
does not propose an account of what understanding a lexical item
is. An account such as that of Agustin Rayo (forthcoming) fills
this gap in a satisfying way that comports with much that
Davidson does say. So, in the more general case, a Davidsonian
should follow Rayo and say that the speaker acquires what Rayo
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calls a “grab-bag”-- a collection of images, examples, truths,
and so forth relevant to what the word applies to when the
speaker comes to understand a word. Such an account does not
constitute a “semantics” for lexical items so much as a program
for a natural history of how people understand words.
A word like “John,” for instance, may have within it a
collection of faces, a dim memory of “en arche ein ho logos,”
something about the Magna Carta, and a host of other material
that will vary from person to person. Typically, the language
user has enough of this repertoire to fix a referent with the
help of context, and hopes to communicate to the hearer what this
referent is. When does the learner understand a given lexical
item? It seems clear that there is no good answer beyond “when
the learner is able to use the word.” While the semantics is in a
way quite clear, the application to cases is vague.
c) The individuation of lexical items
Word are different from basic44 predicates. Words are
socially transmitted entities whereas basic predicates are those
same words occurring in the left-hand side of clauses in a truth-
definition for an individual’s idiolect. The same public word can
correspond to two or more predicates. Also, the same word may be
one predicate in one idiolect and more than one in another.
44 “Basic” here means “requiring its own clause in a truth-definition. While there are clear connections between “authoritative,” “authorial,” “authorities” and “author” these words should correspond to distinct predicates in most people’s idiolect.
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Predicates are words functioning as elements of idiolects. A
truth-definition has a clause for each distinct predicate.
Idiolects of the same “language” may differ in their predicates.
David Kaplan (1990) is something Davidsonians should take to
heart. Even though a common language is not essential to a
language, a common language is very much part of actual
communication, not to mention literature, writing, and the very
idea of a text.45 The key idea is that the identity of a word is
determined, not by identity of inscription, but by the relational
idea of being a copy of the right kind. “Is the same word as” is
vague, since the line of transmission can be confused. 46
Whether two occurrences of the same word express the same
predicate is sometimes indeterminable both over time and at a
given time. The English word “swim” derives from two distinct
roots, one meaning “dizzy” and the other meaning “propel oneself
through the water.” For most current speakers, “swim” probably is
a single predicate, but speakers use the predicate metaphorically
in expressions like “You’ll be out of here so fast it will make
your head swim,” even though there are in fact two distinct
words, historically, which have coalesced for most speakers. The
words and predicates of a language are in large part the result
45 Tolhurst and Wheeler,(1979), proposed a similar idea about the identity of texts. 46 Spelling is no guide to word-identity. “Entrance” is clearly twowords, as pronunciation indicates. “Number” is both the comparative of“numb” and a count-noun.
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of successive common metaphors becoming what a word means. I have
published several essays on this topic and its implications for
semantical theories. 47
The lexical entities that are relevant to the thesis that
there is no lexical decomposition are the predicates. For
example, “more,” is clearly a single English word. In the
appendix on comparative adjectives, the English word “more” is
treated as a compound of “much” and the comparative particle.
This is different from treating “dog” as a compound of something
and “animal,” since there is some mark in the word itself that it
is a comparative.
d) Davidson on names
One thesis of this book, developed in subsequent chapters,
is that there is no direct reference except to times and places
by way of demonstratives. Without a privileged partition of the
world into individuals via count-terms, “this” cannot pick out a
particular physical object and a name without semantic content
cannot pick out an individual. Davidson never offers a theory of
names. The closest he comes to doing so is in Davidson (1993)
where he discusses the desiderata for a theory and criticizes
causal theories. Davidson agrees with Derrida (1977) that so-
called marginal cases of naming cannot be ignored in constructing
a semantical theory. So, names in fiction and names that are used
for the first time in a fiction to designate real people cannot
47 Wheeler (2007, 2011).
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be set aside while a theory is constructed of “normal”
occurrences of names.
The difference between proper names used in fiction and
proper names used to talk about real people cannot be semantic,
so the difference must be in the speech act, that is, what is
done with the sentence with its truth-conditions. The difference
must also be that something about the writing- or speech-action
is a pretense. An account that fits these desiderata is the
following: What is pretended is the demonstration that
accompanies the proper name. An intended fictional use of a name
involves pretending to demonstrate an object. It is not exactly a
failed demonstration, any more than a hyperbole is a failed
assertion. So, something like Burge’s (1973) account of proper
names seems to be what Davidson envisages. Proper names are
general terms of a special sort whose use is accompanied by a
demonstrative.
One version of this idea would be that “Theaetetus flies”
has the form, “(That) Theaetetus (man) flies.” In symbols this
would be, “Ex(That x /\ Theaetetus x /\ Man x /\ flies x).”
“That” is a predicate that characterizes what a speaker is
demonstrating or has in mind. Its predicate clause is “`That’ is
true of an object a if and only if that is a.” The “man” is a
count-noun disambiguating what sort of object is being
demonstrated. The necessity for such a count-noun will be
discussed in Chapter 3.
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The idea in application to names is that the lack of an
article indicates a demonstrative. With an article, we would have
sentences such as “One of the Thomas Smiths in the phone book
must be the one we need to contact.” The absence of an article is
interpreted as a demonstrative.
e) Indeterminability of interpretation
Quine48 and Davidson49 argue for one basic kind of
indeterminacy of interpretation. In trying to get maximal fit
between one’s beliefs and desires and those of the person being
interpreted, an interpreter sometimes has the choice between
assigning a mistake in beliefs and desires (the person wants
something more than she should or believes something more
confidently than she should) or a difference in meaning. When a
person in one’s communicative community says something bizarre,
but is still taken to be an agent, one always has this choice.
Sometimes the choice is easy. When my colleagues at the fishing
club discuss prostrate cancer, I can interpret them on the
hypothesis that they are using words differently. Other times the
question is not so clear.
A kind of case I have discussed is metaphor, as mentioned
above. It can be indeterminable whether a word is being used with
metaphorical intent or whether the word has more than one literal
meaning. In my idiolect, “The Giants crushed the Bears” may or
48 Quine (1960) Chapter 2.49 Davidson (1979).
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may not be metaphorical. I cannot tell from the inside whether I
have two predicates “crush” or just one which is employed
metaphorically.
Interpretation is an optimization problem with several
factors. When all the evidence does not determine a single
optimum, there is indeterminability. Since the notion of meaning
for a Davidsonian is essentially defined in terms of correct
interpretation, what a truth-definition says, there is no outside
spiritual state to check against an interpretation. Quine and
Davidson treat such cases as indeterminate. As I argue in Chapter
8, what is established is indeterminability, which is compatible
with determinacy. Briefly, it is open to Davidson and Quine to
posit bivalence for practical reasons. If one treats “\/p (p or
not-p)” as a harmless practical principle, then one is committed
to apparent indeterminacies having determinate, but in principle
indeterminable truth-values.
IV What does a Davidsonian semantical theory look like?
Logical structure, for Quine, reveals the inference-patterns
that do not depend on what predicates occur in the respective
sentences, but only on the pattern of occurrence of distinct
predicates. That is, Quine gives an account of form, as in
“formal logic.” “Logical form” for a Davidsonian abides by the
same idea. Semantics is to look for recursive structure and leave
general truths that depend on what a particular predicate is to
the theories speakers have using the predicate. So, “triangles
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have three sides” will be a truth of geometry, not of logic. This
principle is a consequence of denying the analytic-synthetic
distinction. If there are no non-logically true sentences true in
virtue of meaning, and semantics is a theory of meaning, then
there is no decomposition of predicates in a proper semantics.
A contemporary Davidsonian application of this principle
will yield an even more austere semantics than Davidson
envisaged. For Quine and Davidson, logical structure included
everything through first-order quantification theory, at least.
So, quantifiers and quantificational patterns were part of
structure. That can no longer be the case.
Contemporary linguists and philosophers of language who take
linguistics seriously pretty universally agree with what I
(ignorantly) thought was an original and rather bizarre discovery
about quantifiers in “Attributives and their Modifiers”(1972) and
“Quantification in English”(1978). My idea was motivated by
considerations about comparative adjectives and intensifiers,
whereas people like Mostowski (1957) were interested in a logic
as such and Montague (1973) was interested in a general account
of logical form that preserved English syntax. Montague’s work
became the norm in linguistic semantics, culminating in Barwise
and Cooper’s “Generalized Quantifiers and Natural Language”
(1981).
The basic idea is that what first-order logic treats as
operators on open sentences are really two-place predicates of
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collections (sets or aggregates.) In brief, the standard
“Aristotelian” or “Fregean” quantifiers are special cases of a
large family of atomic and compound predicates of collections
(collections of stuff or individuals), which includes “many,”
“much,” “most,” “five,” “few,” “so many that I have a hard time
remembering the exact number,” and the like. To take a simple
case, “Some frogs are green” says that the green frogs, i.e. the
intersection of the frogs and the green, is some, i.e. not empty.
“Five frogs are green” says that the intersection is a five-set.
“Some furniture is stylish” says that a portion of the furniture
overlaps with the stylish.
The linguistic account that results treats a quantified
sentence as a subject-predicate sentence, with a determiner-
phrase and a verb phrase. What appears to be the subject, say,
“all frogs” or “some frogs” is indeed the subject. “Frogs” is the
restrictor, by which is meant that “frogs” determines the
collection that the verb-phrase characterizes. “All”, “many” or
“few,” for instance, is the quantifier, a sub-species of
determiner, and the whole subject is a determiner-phrase. The
linguistic account of the quantifiers has a good explanation of
why the predicate calculus account of quantification, which binds
a single variable, works. As Heim and Kratzer observe,50 “Vx(Fx
->Gx)” and “Ex(Fx /\Gx)” as canonical representations of “All
frogs are green” and “Some frogs are green” basically paraphrase
50 Heim and Kratzer (1998) p. 191.
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quantified sentences using the determiner-phrases “everything” and
“something” (“every thing” and “some thing”). The determiners
would just be the bare “E” and “V”. Quantification-theory works
as well as it does because for these special quantified
expressions there is an equivalent that talks about the
relationship between “the entities” and a subset of them. So,
Vx(Fx->Gx) says that the set of things is the set such that Fx
only if Gx. Ex(Fx /\Gx) says that the set of things x such that
Fx and Gx is a subset of the set of things, i.e. that the
intersection is not null. There is, of course, an algorithm for
finding paraphrases of “Three frogs are green” and “At least
11,603 frogs are green.” But it is grossly counterintuitive to
suppose that the logical form of “At least 11,603 frogs are
green” actually has the hundreds of thousands of clauses that the
paraphrase algorithm requires.
There is a strict proof51 that no such first-order
paraphrase works for a number of quantifiers, such as “finitely
many” and the like. These could be added as primitive predicates
of collections. However, for some quantifiers, for instance
“most” interpreted as “more than half,” there is a strict proof
(Rescher 1964) that there cannot be a representation of that
relation between sets as a relation between “the entities” and a
single set. That is, “Most frogs are green” can’t be expressed by
51 Barwise and Cooper (1981).
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anything you can say about most things. So addition of primitives
is of no help.
So we can treat quantifiers as predicates with special rules
governing their application. Being predicates doesn’t make them
mere predicates. Rather, the quantifiers are like identity. Many
quantifiers are important and significant predicates. This result
re-draws the line between structure and theory. If we chose, we
could add some more special rules. Besides the bachelor rule, and
the rule for “all,” we could have the Dog rule, that licenses
inferences from “A is a dog” to “A is a domestic animal of a
species sometimes kept as pets but eaten in some parts of the
world.” More plausibly, all classical mathematics could be
treated as part of logic. In effect, this would be to reinstate
logicism, as I understand it, since, if the quantifiers are part
of logic, the rest of set-theory as well as the mereology that
seems to be presupposed in quantifiers with mass-terms, may as
well be.
Notice that the quantifiers are not all susceptible to
precise theories. “Many,” for example, seems to depend on the two
classes, and to have a vague borderline. “Many frogs weigh over
three pounds” is false if there are only 12,000 such frogs;
whereas “Many democracies have collapsed into dictatorships” is
true even though fewer than 1000 have. “Many” is a topic of
Chapter 9.
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In practice, in the rest of the book except for Chapter 9, I
will retain the traditional account of the quantifiers as
operators on open sentences, for readability, familiarity, and
convenience.
Meanwhile, consider what this account of the quantifiers
does to logical form and to logic. If we remove the quantifiers
from the domain of structure and put it into predicates with
special principles (parts of theories), then we have a conception
of logic as essentially just truth-functional logic, set
abstraction, and predicates. Everything else that some would like
to call “logic” consists of mathematical and other theories about
particular predicates. The truths about the membership predicate,
the part-whole predicate, and the identity predicate will be
especially important, but not sui generis. Note that of course
truth-functional logic is itself a kind of mathematics. The
truths about the connection between “not all frogs are green” and
“some frogs are not green” will be mathematical or set-
theoretical truths, not strictly speaking logical truths in the
sense of truths that rely solely on structure.52
52Note that with this result, Quine’s (1970, p.68) complaint that second order logic is just “set theory in sheep’s clothing” turns out to be a bit unfair. First-order logic is set-theory in disguise. Second-order logic’s “defects” (incompleteness) are due solely to Cantor’s results about the uncountability of the set of subsets of an infinite countable set.
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What about logical form? Logical form will be a description
of the sentence’s predicate-structure (predicates and their
arguments) and truth-functional composition. I think it is
important to separate semantics from theory. Perhaps another level
of separation would be to separate some fundamental quasi-
mathematical predicates’ theories from less important predicates’
theories as well. Perhaps it would be useful to have a special
status for our theory of “more” that accounts for the
transitivity of so many apparent two-place relations. Likewise
for the identity predicate.
But if semantics is supposed to be an account of the
competency of a language-user which will account for the
possibility of that language-user understanding an infinity of
sentences on the basis of a finite amount of learned information,
then an austere Davidsonian semantics delivers that. Everything
else is information.
The next two chapters, Chapter 2 and Chapter 3, will argue
the following theses:
1) Some kind of essentialism is required if common sense truths
are to be preserved without paraphrase. Aristotle is the model
for such theories.
2) Davidson is implicitly committed to the de re necessary truths
that essentialism is supposed to explain, and in fact committed
to some sort of essentialism
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3) While essentialism is correct, it does not follow that there
is a single articulation of the world into entities and
properties. Rather, a kind of “relative essentialism” is
defensible.
4) Relative essentialism solves the difficulties with medium-
sized objects that arise when one wants to endorse de re
necessary truths both about medium-sized objects and about the
entities which have a stronger claim to grounding necessities,
the micro-particles of physics.
Chapter 2: Against absolute essentialism
Davidson’s account of truth and predication seems to remove
one reason to think metaphysical theories of the world are
necessary in addition to scientific theories. As we will see in
later chapters, his way of thinking about truth and predication
also dissolves some other puzzles that have occupied metaphysics.
However, the most important intuitive truths that seem to require
metaphysical theories are intuitions that there are necessities
about medium-sized objects. Necessities about medium-sized
objects seem to require a single privileged division of the world
into objects and kinds. Such a privileged division raises puzzles
about how those necessities fit with the necessities about the
objects of physics.
Given that interpretation starts with the medium-sized
objects of common sense, and given that Davidson is committed to
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the truth of most common-sense beliefs, a Davidsonian needs to
accommodate these modal intuitions about medium-sized objects. A
Davidsonian must also offer some account of how puzzles about the
relationship of the objects of our lived world to the objects of
physics. This and the next chapter will set out a version of
essentialism, the idea that there are de re necessities about
objects that are due to their nature, that will fit with
Davidson’s aphorism, “The beginning of wisdom is the realization
that sameness is always relative to a predicate,” that headed
Chapter 1. Chapter 8 will discuss the sorites, which I understand
to illustrate the main difficulty with the view that the world is
divided into objects and properties.
This chapter is an exposition and appreciation of
essentialism and a critique of absolute essentialism. Absolute
essentialism I understand to be the view that reality consists of
a single given array of beings whose natures determine the
necessary truths. The critique focuses on the “single given” part
of this idea. A subsidiary target is the idea that predication
must involve truth-makers, states of affairs that consist of a
property attaching to an individual. The next chapter will
develop an essentialism that does not suppose that there is a
single given array of beings. What a Davidsonian can say about
the nature of properties will be one topic of Chapter 6.
Following Davidson and Aristotle, I take the default view in
philosophy to be that there are enduring objects which undergo
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change while remaining the same thing. This is to treat as a very
last resort views which supply paraphrases supplying “what is
really the case when we say that you have existed for sixty-eight
years.” The only reason to accept such paraphrases rather than
what is transparently the obvious truth with its obvious truth-
conditions would be irresolvable problems in the default view.
This book argues that there are no such irresolvable problems, if
one follows Davidsonian thinking. Essentialism in some form is
part of common sense.
I Historical prelude: origins of philosophical essentialism
It is important to see what difficulties essentialism
resolves. Much of the essentialist picture has to be preserved,
according to any account that accommodates common sense. A
Davidsonian account must accommodate most of common sense, given
that Davidsonian interpretation starts from the idea that people
believe truths. One simple way to see what essentialism is good
for is to see how it arose. As we will see, Aristotle’s thinking
about what is is in many ways the fundamental essentialist
thinking. Here is a broad-brush narrative of the origin of the
core of pre-critical53 metaphysics, by which I mean the kind of
metaphysics that takes the Beings to be a given domain.
53 I use “pre-critical” not as a temporal predicate but as a label for metaphysical thinking which entirely abandons Kant’s idea that human thinking and knowing capacities shape what beingsthere are for us and supposes that “things in themselves” are given to be theorized about.
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Heraclitus was understood by Plato54 and Aristotle55 to have
argued that nothing survives change, and that since change is
ubiquitous and continuous in the physical world, that nothing
endures. The basic argument is quite simple: If something
changes, it is not the same as it was. But everything is the same
as itself. So it is impossible for an entity to change and remain
the same thing. Nothing lasts.
Plato both argues that the conclusion is wrong and
challenges the argument. His challenge to the argument
distinguishes between intrinsic change and relational change.56
While intrinsic changes do result in distinct objects, changes in
relational features need not. Plato, like David Lewis some years
later, takes the “problem of temporary intrinsics”57 seriously.
His metaphysical system, at some points in his thinking, can be
construed as an account which allows some continuing existents
while acknowledging that change destroys beings. The world of
Forms is an array of Beings that are unchanging intrinsically,
while undergoing constant change in relations, given that
participation is a relation. Plato’s accommodation of Heraclitus’
54 Plato, Sophist St. 179c-181b.55 Aristotle, Metaphysics Γ5 1010a7-16; Γ7 1012a25-29.56 Plato, Theaetetus St. 154c-155c.57 David Lewis, (1986) page 202. Lewis identifies “…a problem of
temporary intrinsics, which is the traditional problem of
change.”
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argument of course leaves out physical objects as beings that can
survive change.
Parmenides begins with another truism: Being is. Something
exists. Non-being isn’t. Nothingness does not exist. If there is
no non-being, then alleged descriptions of what is the case that
make reference to what is not cannot be correct descriptions of
reality. That is, no negations can correspond to facts about what
is the case. Among the alleged parts of reality that are ruled
out by Parmenides’ truisms are distinctness and change.
Distinctness requires that one entity not be another. Change
requires that what was not now is. Since Being is, and there is
no distinctness, what exists is a single, changeless entity. This
part of Parmenides’ view can be thought of as adopting more or
less the same thoughts about identity and difference as
Heraclitus, but with the denial of Heraclitus’ conclusion as a
premise. Since Beings exist, anything incompatible with being
cannot be part of reality.
Plato deals with Parmenides’ arguments in two ways. First,
he argues in the Sophist that Difference is actually a positive
feature, and not to be analyzed in terms of non-existence.58
Second, he shows in the Parmenides59 that, strictly speaking, since
Oneness and Being are distinct things, there could not be a being
58 Plato, Sophist59 Plato, Parmenides, Hypothesis I
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which was actually one, if having many features entailed
plurality. It would have two features.
Plato seems to accept Parmenides’ idea that being a being is
a nature. For Plato, all of what come to be characterized as
“categorical” properties, for instance, being a particular, being
a property, being one, and being a being, are natures. As we will
see below, some modern metaphysicians try to avoid some
difficulties by claiming that “categorical” properties are a
special case that need not be subject to the arguments for their
theories of predication.
Plato’s responses to Heraclitus and Parmenides leave him
with a picture of the world that is radically different from what
most people would say the world is like. The real entities in the
world are natures, which he calls Forms. The entities which most
people would take to be lasting objects surviving change are in
fact not such at all. Everything is the physical world is really
flux, constantly changing beings that exist only for an instant,
more or less as David Lewis’ physical beings do.
Aristotle has different responses to Heraclitus and
Parmenides which shape his entire metaphysics. He finds Plato’s
rescue of continuing beings inadequate, since clear-cut cases of
continuing beings, namely organisms, do not turn out to really
continue. Aristotle is a kind of early Davidsonian in his view
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that much of what most people believe is correct.60 His response
to Heraclitus can be thought of as adding a further distinction
to Plato’s distinction between intrinsic and relational
properties. Among the intrinsic properties of a thing are those
it cannot lose while remaining the same thing, its essential
properties, and those it can lose while continuing to be the same
thing, its accidents. The essence of an entity, what it would be
to be an entity of that kind, amounts to something like the
collection of its essential properties.61
The relationship between an entity and its essence, though,
cannot be something attaching to a subject. An entity would not
be that subject at all without that nature, so there is not a
single subject at all to which a nature could attach.62 So the
model of essential predication cannot be that of a subject to
which a nature or any other kind of feature attaches. Since
60 Aristotle’s support for such a view is rather different from Davidson’s. He takes it as clear that people are by nature organisms that other things being equal tend to know things aboutthe world. Thus he begins most of his treatises with a survey of what his predecessors have said, since much of what his predecessors have said is likely to be true, and a starting pointfor his investigation. The first line of Aristotle’s Metaphysics A1 is “All men are by nature such as to know.”( 980a21)61 Not every collection of properties qualifies as an essence, but onlythose which characterize real substances. Aristotle discusses whether being a pale man could be the essence of something, so that as a man became tan, something would cease to exist and something else would come into existence in Metaphysics Z4. He takes it as obvious that “is apale man” is just not a substance.62 Metaphysics Z 17 1041b12-31.
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entity-constituting features make the entity be an entity at all,
the entity-constituting natures themselves cannot be construed as
attachments. Thus predication is primitive at least in some
cases. Predication cannot always be analyzed as one thing joining
with another. If predication were always an entity attaching
(e.g. a property-instance) to another entity, we would have a
regress.
If predication were construed as always a relation between
entities, then the “is the same as” relation that obtains between
two frogs, identity in kind, would be analyzable in terms of
sameness as numerical identity. Two frogs are the same if there
is a thing they both share, a universal. For Aristotle, at least
in the case of essential predication, “this is the same as this”
is ambiguous between this being the same entity as this and this
being the same in kind as this.
Aristotle thus has the conceptual equipment to hold a
completely Davidsonian account of predication. Predication is
primitive, and irreducible to entities in relation. This is a
result that had been bruited since the Third Man arguments in the
Parmenides.63 In fact, though, because Aristotle is reluctant to
deny existence to anything that can be said to be, he continues
63 Plato, Parmenides, St. 131c-132b is the basic regress. Aristotle refers
repeatedly to “the third man,”
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to recognize property-particulars and universals as beings “in a
sense.”64
Besides entity-constituting predicates, two other predicates
cannot be construed as natures of any kind. These are “is a
being” and “is one thing.” Aristotle construes Parmenides as
holding that Being and Oneness are the essence of everything that
exists. Aristotle’s response to Parmenides is to deny that being
a being or being one are natures at all. One feature of
Parmenides’ view is the truism that anything either is or is not.
Anything, i.e. any feature, that would distinguish one being from
another would, if real, be a Being. Aristotle ascribes a regress
argument to Parmenides with the conclusion that there is only one
thing. Supposing that there are beings, anything distinguishing
one being from another would itself be a being. But if that being
distinguishing the two beings were something different from just
being, that difference would itself be a being, by the truism “is
or is not.” Since any being is one, the same argument works for
being one. In effect, if being a being is a kind of object, then
there cannot be distinct beings—everything would be one and this
one is being, as Aristotle says.65 64 In fact, Aristotle seems to treat composites of form and the particular
matter an entity happens to have, as well as composites of substances and
accidents, as entities that are distinct from the substance itself. Fred with
the matter he has has different modal properties from Fred himself. Fred
himself could have different matter; Fred plus his matter could not. 65 Metaphysics B4 1001a27-33.
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Rather than accepting Parmenides’ conclusion, Aristotle
takes this as a reductio ad absurdum of the idea that being a
being is a substance-determiner, since there is obviously more
than one thing. Since being one is coextensive with being a
being, Aristotle takes the same result to apply to oneness.
Neither of these things said about objects can be treated as
entity-constituters. Still less could they be treated as
accidents of the things they are true of. This has consequences
for the conception of entities, for Aristotle. There is really no
such kind as an entity—rather every entity-constituter is itself
the “what is would be to be” of any entity it is true of.
Thus Aristotle seems to agree with Davidson’s aphorism that
sameness is relative to a kind, inasmuch as he holds that “is a
being” is not a term that divides reference, so that “same being
as” requires specification of “same what.” “Is a being” is a
pseudo-count-noun. On the other hand, Aristotle agrees with
contemporary monistic essentialist realists that “is a substance”
does divide reference, since each kind of substance has an
essence which individuates elements of the kind. So, “same
individual” is not relative to a kind.
II Contemporary theories of lasting objects
This section argues that the basic framework of Aristotle’s
essence-accident distinction is imbedded in contemporary
metaphysical theories that agree with common sense in holding
that some physical objects undergo changes while remaining the
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same object.66 The imbedding may be subtle, but every theory
which countenances objects which survive change makes a
distinction, implicit or explicit, between essential, entity-
constituting features and features an entity can lose.
There are two ways to conceive of individuals that yields a
unique given domain of beings:
1) If a theorist takes “is a being” or “is one thing” to be
features that themselves individuate, the individuals are the
objects that are beings or ones. Plato seems to have held such a
theory.67 An entity being a single thing just is its sharing in
the One. David Lewis likewise takes “being a being” to be
unproblematic. Such theorists take “is a thing” or “is a being”
to be an individuating feature. Such realists appear to have no
need for being-constituting natures other than Oneness and Being.
They also do not directly accommodate lasting entities. Plato and
Lewis both take the “problem of temporary intrinsics” very
seriously. The book will say little about such theories, which
only indirectly accommodate the common sense conception of the
world as consisting of lasting objects which undergo changes.
66 I will not be discussing issues about endurance versus
perdurance. I argue in Chapter 7 below that the “metaphysics of
time” more or less disappears from a Davidsonian perspective.67 See Wheeler (2010).
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It is worth seeing that both Plato and Lewis do in fact take
some objects to have constituting natures. I think it is clear
that Plato takes natures to be their own constituting natures.
Aristotle certainly implies this in Metaphysics Z6.68 Plato not
only needs a plurality of beings but needs a plurality of
natures. I argue in Wheeler (2010) that he constructs all such
natures out of Oneness and Difference.
The case of David Lewis is perhaps less obvious. Lewis
treats properties as sets of individuals. So, he identifies the
property of being a frog with the set of frogs in all possible
worlds. What is the connection between the set and its members?
One would think first, that the connection is necessary, that
this set by its very nature has these items as members. But the
set is a separate being from its members. Since its members are
scattered through the possible worlds, the necessity of the link
between a set and its members cannot be explicated by what is the
case in every possible world, since there is no possible world
that contains all the items in the set. The same is true of the
bond between unit sets and what they are unit sets of.69 So there
68 Metaphysics Z6,1030a27-32. “As for things stated by themselves, is it
necessary for them to be the same as their essences? For example this would be
the case if some substances exist, like the Ideas posited by some thinkers,
prior to which [no] other substances or natures exist. For if Good Itself were
distinct from the essence of Good…” 69 Thus, at least on this score, Lewis’s (1991) account of classes leaves
classes an exception to his usual denial of necessary connection among
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is a least one kind of entity with a constituting essence, namely
sets. Sets and their members are a case of a necessary connection
between distinct existences.70 Lewis is an Aristotelian about a
central necessary connection.
2) If a theorist takes entities to have constituting natures, a
single thing’s being one thing derives from its being constituted
by some features that constitute it. That is, the relation
between, for instance a man and manhood cannot be attachment of a
feature to an entity, but rather manhood is the what it is to be
of the thing. The thing has a nature and is therefore an entity.
The features that can thus constitute entities are the natural
kinds.
This conception generates modal truths about such
constituted objects. Given that an entity is a man, then it has
what it takes to be a man—perhaps rationality, animality, and a
propensity to grasp natures of entities. Later philosophers have
different opinions about what the natural kinds are. Descartes
(1644), for example, takes there to be just two kinds of entities
—extended and mental substance, each with the features that
constitute them as what they are. Armstrong, as we will see
distinct existences. 70 The membership relation and the relation between a unit set and its member
would both have to be natural relations. That is, since there are an infinity
of grembership relations between a natural property and other objects, the
special relation membership has to be itself distinguished.
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below, takes the kinds of beings constituted by natures to be
particulars and universals.
Essential natures have an important role in tying beings to
something determinable. Without some necessary truths about
beings other than that they are beings, lasting beings would be
untrackable. Beings about which there were no necessary truths,
for instance, would be beings that might or might not have the
conditional property “if at location x at time t, will be at some
location within 108 kilometers of x at t+1 second.” No
restrictions on the kinds of changes such beings could undergo
would be anything other than contingent. So, the hypothesis that
beings are sailing through our landscape picking up the
properties that seem to apply to us and our chairs would be as
well-confirmed as the hypothesis that we and our chairs are
themselves beings.71 On the other hand, individual beings might
be moving randomly every second from location to location, but
happily picking up most of the features of the previous
inhabitant of the locations they find themselves in. I have
called this argument the “Wind of Being” argument, which I take
71 A metaphysician who rejects lasting beings on other grounds, will of course be unmoved by this consideration. A Heraclitean such as David Lewis, who views physical objects as sums of instantaneous objects, will be unmoved by the impossibility of tracking continuants.
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to be an expansion of Aristotle’s remark about matter in
Metaphysics Z.72
Any materialism which recognizes lasting physical
particulars is committed to essential features—features without
which the beings would not be physical. That is, if “obedience”
to physical laws is what it is to be physical, then physical
objects as such have essences. In the example mentioned above,
the law that nothing exceeds the speed of light amounts to a
necessary conditional feature about where an object can be from
moment to moment. So, any “realism” that takes the domain of
being to consist of a given array of physical objects is
committed to essential properties. The issue among such realists
is what the objects are that have them.
Both Plato and Aristotle have anthropocentric views about
nature. For Plato, there is a natural affinity between our minds
and the structure of nature. For Aristotle, human nature itself
is naturally disposed to form concepts that correspond to the
objective kinds in nature.73 The medium sized-objects that
populate the lived world are fundamental objects in Aristotelian
science. For Aristotle, then the harmony of the mind’s kinds, the
72 Metaphysics Z3 1029a26ff: “From what has been said, it follows that matter is a substance. But this is impossible, for to be separable anda this is thought to belong most of all to a substance.73 See Aristotle, Posterior Analytics 99b31 and following. Humans are constituted so that after enough experience they will have the essencein mind. He supplies only a metaphor as to how this happens.
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common sense world of organisms and medium-sized objects, with
the kinds in nature can be taken for granted.
When a philosopher, acknowledging the authority of
developing natural science, no longer takes the fundamental
objects of science to be things like squirrels and daffodils, but
rather quarks, tau neutrinos, and the Higgs boson, the connection
between the articulation of nature and the articulations medium-
sized humans apply to their world is much more tenuous. As will
be discussed in Chapter 8, sorites arguments show a serious
difficulty for a monistic essentialist who wishes to have both a
single privileged given articulation in nature and a metaphysical
support for the reality of the medium-sized objects, including
ourselves, that we treasure.74
Part of Aristotle’s idea that animals and plants are
fundamental objects is that such entities are fundamental objects
of science. For a substance, there is exactly one nature
constituting it, and so there is exactly one set of existence and
extinction conditions for that whole substance. The “whole
substance” is all the matter making that substance up. So, any
part of the substance is not itself a single thing. No substance
contains another as proper part.
If a part survived the destruction of the whole of which is
was a part, then there would be no ontological point to having
74 The basic issue was raised in Aristotle’s time by Eubulides. See Wheeler (1983).
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the whole be a substance at all. The reality would be what the
atomists maintained, that only the atoms are really beings.
Aristotle agrees with common sense against Lewis’ mereological
liberalism that chess sets and piles of sand are not further
beings, but are nothing over and above their component parts.
Thus a kind of Ockham’s Razor counts in favor of saying that “No
substance is composed of substances which exist in actuality…”75
Aristotle’s argument that parts of substances are not
themselves substances presupposes that there is exactly one count
of how many things are in a place. “…The double line is composed
of two halves, but these latter exist potentially; for the
actuality of each would make them separate.”76 Another
consideration is that otherwise, an entity would have two
essences, which would mean two conditions for continuing to
exist. If an oxygen atom is an entity, and it is part of a larger
entity, for instance a person, then what happens when the person
is killed? If being a person is an entity-constituter, Aristotle
holds that it constitutes the being of whatever it physically
encompasses. So the “what it would be to be” of the whole mass of
a person is being a person. So, every part of the person ceases
to be what it was when the person perishes. So, the oxygen atom
cannot have been an actual being itself, since if it met the
conditions for being an oxygen atom, and those were sufficient
75 Metaphysics Z 13, 1039a4.76 Metaphysic Z13 1039 a7.
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for being an entity, it would survive the death of the person,
which it cannot, if “is a person” determines the “what it is to
be” of the entire organism.
A premise of this argument is that a given filler of
physical space is exactly one thing.77 Parts cannot be full-
fledged entities if the composites of which they are parts are
also full-fledged entities. Aristotle is thus driven to the
thesis that parts of objects are potential entities rather than
genuine entities. This premise that the filler of a given region
can be only one thing runs into serious difficulties once it
begins to turn out that the medium-sized objects of the lived
world, such as people and plants, are not the beings about which
there are the best physical laws. Natures of things, their
essences, are supposed to be what explains why natural phenomena
occur as they do. As science began to find out that explanatory
laws of basic physics did not take medium-sized object as
fundamental, but rather corpuscles, later atoms, and now quarks
as the fundamental beings whose natures explain what happens, the
idea that medium sized objects were fundamental became
implausible. Given that conclusion, and a more or less
Aristotelian picture of substances and properties, it began to
seem implausible that the medium-sized objects really had
essential natures at all. If, following Aristotle, we think of
77 There is actually some tension in Aristotle here, since he thinks that the person with her actual accidents and the person as an entity which could have had a different accident are distinct yet occupy the same space.
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natures as the basis for physical laws, and so natural necessity,
there is not really room for medium-sized objects to have genuine
natures unless medium-sized objects are reducible to complexes of
fundamental objects, so that their natures would be thus
derivative.
It is clear, though, that there is no systematic reduction
of medium-sized objects to the current candidates for fundamental
objects. A device for showing this is the Sorites argument, which
can be run either as an argument about properties, showing that a
predicate of medium-sized objects has no definition in terms of
micro-particle properties, or as an argument about decomposition,
showing that no aggregate of micro-particles systematically
amounts to a medium-sized object. The argument of an early paper
in twentieth-century writing on the sorites, my (1975) was
precisely this. If predication is construed as properties
attaching to subjects, and properties either attach or do not
attach, then there are no medium-sized objects. Put another way,
if to be an entity is to have a nature that determines the
conditions for continuing to exist, and the laws of nature
reflect natures, and the firmest exceptionless laws are about
micro-particles, then unless medium-sized objects are
systematically and lawfully related to composites of micro-
particles, so that natures of medium-sized objects are determined
by the natures of the constituent micro-particles, medium-sized
objects would not have natures and would not be genuine objects.
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It is obvious that medium-sized objects, including people,
exist. So, something is amiss. Typical metaphysical responses to
this dilemma use the notion of “levels of being,” postulating
different kinds of real properties for different levels and
allowing the objects of science as well as the objects of micro-
physics to have constituting natures.78
I argue that such theories follow the Aristotelian
conception of natures in making a very intuitive mistake. In
various ways, such accounts abandon Aristotle’s argument that
parts of substances cannot be substances as well as the
substances of which they are parts, but nonetheless take to heart
the core intuition behind Aristotle’s argument. The presumption
is that there cannot be more than one material being in the same
space at the same time. As I will argue in the next chapter, “is
a being” is not a genuine count-noun and multiple physical beings
can occupy the same space. Beings are posits, not givens.
The view proposed in the next chapter is that there is no
unmediated reference to stuffs or individuals. Neither “this” nor
“this stuff” refer. “De re” modal truths are always relative to a78 I will not discuss revisionary accounts such as David Armstrong’s, beyond noting that his theory gives no account of intuitive modal truths about what could or could not have been the case about, for instance, particular humans. Given my limitation to non-revisionary theories, the competitors to a Davidsonian theory are those that try to retain such intuitive modal truths while acknowledging that the laws of physics are more fundamental than any natural laws that support the intuitivetruths.
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kind of object or stuff, rather than fixed by a division in the
nature of things. There are objects, kinds of objects, and many
distinctions to be made among those kinds in terms of interest,
importance, law-likeness, and so forth.
My account can happily appropriate the accounts of “levels”
theorists. The considerations that persuade some monistic
realists that, for instance, artifacts are real, even though
their natures are “looser” and their laws much weaker than the
determinate natures of micro-particles with their strong laws
would also show that artifacts are real on the present account.
If there are truths about objects, and they are posited as
objects at all, there are necessities about those objects which
qualify them as subjects at all, namely perhaps loose but law-
like existence and persistence conditions. If such necessities
are objective, those necessities are laws of nature. Nothing
about uniqueness of segmentation is required for there to be
natures. No “bottom fundamental level” is required, as long as we
are willing to accept something that does the job of laws, causal
powers, or natures as required for real objects.
The standard monistic view makes sameness absolute—not
relative to a predicate or to a way of articulating objects and
properties. The conception proposed in the next chapter denies
that there is absolute sameness, but retains objective
necessities, necessities that are not matters of conceptual or
verbal content, and so are not “de dicto.” The objects are real,
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and have conditions for continuing to exist and conditions for
when there is one object or many objects.
One argument for a single privileged segmentation is
apparent direct reference. Absolute essentialism supports direct
reference. By “direct reference” is meant reference that is
unmediated by any kind term. That is, “This has to be H2O” is
true in virtue of there being a privileged predicate true of the
stuff, which predicate determines what the stuff is in itself,
that is, not relative to a way of characterizing it. Since there
is only one kind of stuff the stuff really is, “this” by itself
suffices to fix reference. The alternative account of
essentialism offered in Chapter 3 will treat apparent direct
reference as only apparent.
Why is the resulting account not itself a realism? It is, in
a way. There is a single, objective world independent of human
beings’ thoughts. What is missing is the realist idea that the
distinction between the real beings we posit and beings that
could be posited consistently with that reality is a significant
difference, which only a privileged articulation into the real
beings and properties can explain. The next chapter will provide
an alternative deflationary conception of Being. Roughly and
briefly, the idea is that beings and properties are, as it were,
metrics of reality in that way that meters and feet are metrics
for spatial dimensions. .
II Modal features of stuffs and individuals
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This section argues that there are no absolute “de re”
necessities about kinds of stuff. It first argues that some of
the famous intuitive examples of de re necessary truths have
counter-examples if they are construed absolutely, i.e. as about
“the stuff itself.” The stuffs in question could lack the alleged
necessary feature, even though the modality is de re.
The section then develops arguments that there are de re modal
truths about many things to which most people would be reluctant
to assign absolute essences, or to think of as reflecting “joints
in nature.” These implausible natural kinds of objects have all
the features that seem to distinguish rigid designation--namely,
essential properties, and reference that is not determined by
speakers’ conceptions. Such objects and kinds, of course, are
exactly those that realist defenders of “cultural kinds” go to
exquisite lengths to defend. The difference in the neo-
Davidsonian answers I will propose is that, with a somewhat
deflationary account of Being, a great deal less exquisiteness is
demanded to retain the common-sense idea that tables, chairs, and
billiard-cues are real.
In accordance with Davidsonian semantics, the objects in question
are not determined by conceptual content of the predicates true
of them, but are of course determined by the reference of the
predicates that single them out. They are not determined by
agreement with the single segmentation of the World into Beings
and Kinds, either. On the other hand, since they are entities, it
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is a matter of fact whether they exist or not after undergoing
various changes. So there are necessary truths about them and
they have essences. Being naturalists, Davidsonians interpret
“there are necessary truths” as “there are natural laws.”
a) Kripke’s persuasive examples
In 1970, when I attended Saul Kripke’s lectures that became
Naming and Necessity, I was completely entranced. They were the most
compelling lectures I have ever heard. For about a decade,
Kripkean-Aristotelian-essentialist revivalism seemed right. Over
the past several decades the infatuation has faded and I have
come to my Davidsonian senses. Kripke is right, but so is
Davidson. This section illustrates why, while Kripke’s intuitive
examples do indeed support essentialism, they do not necessarily
support monistic Aristotelian essentialism.
1) Water and H2O 79
Is water necessarily H2O?80 Water has to be H2O given that
its water, but that stuff itself need not have been water. So, is
this necessarily H2O? Here is one way, among many, that this very
stuff could be something other than water, and (of course also and
thus) something other than H2O: The components of any molecule of
H2O could have been configured as an atom of Carbon, an atom of
79 Kripke, Saul, (1980) page 128. See also Putnam, Hilary(1973). 80 Being predominantly H2O is presumably necessary for being water but not sufficient. Tea is not water, nor is Pepsi or broth, but those other substances may have as much predominance of water in their composition as the water in Mirror Lake, an algae-ridden pond next to my building..
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Helium, and two atoms of Hydrogen. There are exactly the protons,
neutrons, and electrons in H2O as in the aggregate C + He + H2,
in the most common isotopes. As it happens, this stuff is in
water-configuration, but it did not have to be. Being water is an
accident of the stuff, which might have been a hydrocarbon-helium
mixture.
A metaphysical monistic realist need not follow Kripke at this
macro-level, and may not think water is a genuine kind of stuff.
Perhaps the stuff itself is a mixture of entities that are
essentially protons, neutrons, etc. However, we know that protons
and neutrons are not simples. Protons consist of two up quarks
and a down quark; neutrons of two down quarks and an up quark.
But now we need to intuit whether the decay of a down quark into
an up quark is an essential change in a truly fundamental entity
or a change of configuration.81 No end to compositional
complexity is obvious. We could hope that there is a “bottom
level” of entities it is worth positing that yields the real
kinds of stuffs. There is no reason to think there is such a
bottom level and very good reason to think not, as Jonathan
Schaffer has convincingly argued.82
81
? At this level, the very notion of “stuff” is of questionable application. The actual quarks in a neutron, for instance, contribute less than two percent to the mass of the neutron, the rest being due to the energy of the intrinsically massless gluons binding the quarks.82
? Schaffer, Jonathan (2003).
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Of course, water is still necessarily H2O. But this
necessity is a relative, conditional necessity. “Since this is
water, it must be H2O.” The necessity that holds for the “this”
that is demonstrated in “this stuff” is relative to the stuff
being conceptualized or posited as water. There is no such thing
as “this stuff” tout court. This water coincides with many
different kinds of stuff, relative to each of which different
necessities hold.
2) The ice table83
a) Could that very table in the Woodrow Wilson School have
been made of ice? Kripke famously answered “No.” That table was
made of wood, so its identity as that substance (in Aristotle’s
sense) depended on its having this matter, to wit, wood. But
Kripke’s answer is wrong. The wood is protons, neutrons, and
electrons arranged in organic molecules, by and large. Those
components could have been organized so that they were largely
water, and, given that one wanted a table, ice would be the form
that would be imposed. The stuff, construed differently, need not
have been wood and could indeed have been ice.
Following Aristotle, we could say that the table is not now
potentially ice, meaning that the natural processes by which the
matter was re-organized into ice would take more than one step,
in the same way that he would claim that grass is not potentially
shoes, even though the grass can become a cow and the cow’s hide
83 Kripke, Saul (1980), pages 113-114.
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can become shoes.84 The stuff itself, however, now shaped in
wooden-table-configuration, could have been ice. Also, the table
itself, the same stuff in nearly the same configuration (given
differences in the positions of protons, etc.) could have been
ice.
b) Kripke might have intended to say, not that this object
has to be wood to be this object, but that it couldn’t be the
same table if it were made of different stuff, however
characterized. This could be correct, relative to the item being
a table. Tables may be identified by the stuff they are made of.
But many entities are such that they could have had different
stuff. You and I, for instance, would be made of different
material if we had lived in different places and ingested
different doughnuts. The “metaphysical” claim that a table is
necessarily constituted by the “matter” it is in fact constituted
by is relative to the entity being construed as a table. There
are, as I will argue in the next chapter, equally ontologically
acceptable kinds of beings of which this table would be an
instance such that their identity and survival conditions mirror
those of organisms, or differ from the “table” standards in other
ways that allow multiple possibilities about which electrons,
etc., constitute them.
The inferiority of such alternative kinds (for us, at least)
is not ontological, but practical. Such alternative kinds are
84 See Aristotle’s Metaphysics Θ.
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useless, but that does not undermine their reality. If
uselessness proved unreality, we could prove that Associate
Provosts do not exist.
3) Gold and other elements
3a) Gold85
Gold has atomic number 79. If something is gold, it
necessarily has that atomic number, and this necessity was
empirically discovered. However, this is not an a posteriori
necessity about this stuff but rather is an a posteriori necessity
about the conditions for this stuff being gold. If one of its 79
protons had instead been a neutron it would have been a platinum
ion instead of a gold atom. At a finer-grained level, if one of
the up quarks in one proton in the gold atom had been a down
quark, the whole atom would have been a platinum ion. On the
other hand, if one of the gold atom’s down quarks had been an up
quark, the atom would have been an ion of an isotope of mercury.
Gold has isotopes of atomic weights ranging from 169 to 205.
Platinum has isotopes with atomic weights ranging from 162 to
202. Given that the mass of a proton is roughly 1836 times the
mass of an electron, the gold isotopes with atomic weights in the
190s have more in common with platinum isotopes in the 190s than
with gold isotopes in the 170s.
A gold isotope that decays by electron capture, 195Au, picks
up an electron that turns a proton into a neutron, yielding a
85 Kripke, Saul. (1980), pp. 116 ff.
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nearly identical platinum atom of the same atomic weight
differing from the parent gold atom by one part in roughly
358,000. That seems to me like a pretty minor modification,
objectively. There are some interests that make that difference a
significant one, just as there are some interests that make a
first edition of an historically significant work with title page
intact and advertisements at the end many times more valuable for
a book collector than a first edition without that title-page and
advertisements.
As to the other features of gold, you would be ill-advised
to gild your steeple with gold if it is anything other than 197Au,
since the other isotopes have half-lives ranging from 186 days
for 195Au down to 30 micro-seconds, with the vast majority in the
micro-second range. Likewise, investors should be cautious unless
they really wanted platinum.
3b) Elements in general
Chemical elements are often held to be natural kinds that
yield absolute de re necessities. Perhaps this is because many
elements occur in nature, generally persist through change, and
so on. This sub-section argues that there is no reason to treat
necessities about elements as such as absolute de re necessities,
primarily because elements are composites with no special claim,
qua element, to special status. There are certainly necessary
truths about oxygen and carbon. But those necessary truths are
truths about a given chunk of stuff only given that that stuff is
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in, for instance, oxygen or carbon configuration.86 There is
little reason to think that chemical elements yield absolute de
re necessities. Those necessary consequences of oxygen or carbon
configuration are often very important, but that importance is
chemical, not metaphysical.
Stuffs consisting entirely of one element might be better
construed as kinds of aggregates of more basic components. The
status of chemical elements then should be, metaphysically, akin
to other entities made up of components. My tinker-toy set can be
a variety of things. When I have built a house, and then decide
to make it into a barn or a bridge, I add or remove or re-arrange
some components. Something comes to exist and something else
ceases to exist at each stage, perhaps an art object, a house, or
a construction we can enter in the abstract-tinker-toy-art show.
In none of these cases is some privileged entity created or
destroyed, although in every case an entity is destroyed. This is
not to deny that there are necessities about tinker-toy
constructions. A tinker-toy house has to have a roof, for
instance. A tinker-toy car has to have wheels. Given that this is
a tinker toy car, it has to have wheels.
86“Configuration” should not be read as saying that there are given items that
are so configured. The ontological thesis of this book, argued in the next
chapter, is that every kind of object is a posit, including quarks and whatever
smaller entities we may have reason to posit as composing quarks.
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Uranium, with its 14 isotopes and various dispositions of
those isotopes to become other elements, undermines the idea that
there is something metaphysically special about being a chemical
element, because different isotopes behave very differently. The
destruction of the Uranium atom means something has been
destroyed, but the destruction is akin to the destruction of a
tinker-toy bridge. No special metaphysical destruction is
evident. Being Uranium is, from the perspective of its
components, an accidental relational feature of a collection of
neutrons, protons, and electrons.
The metaphysical importance of elements as such completely
vanishes when we consider some recently created trans-uranium
elements, which have very fleeting existences. Given that the
half-life of the most stable isotope of element 112 is 0.3
milliseconds, continuing to be element 112 hardly seems
significant. Even the relatively long-lived isotope 265 of
element 108, Hassium, (half-life 2 milliseconds) does not seem to
warrant special metaphysical treatment. Given that it is Hassium,
this tiny chunk must have 108 protons. If there were sense to be
made of “the stuff itself,” being Hassium would be a transient
accident of the stuff itself.
None of these kinds of stuff are “what the stuff itself” is.
It is doubtful that there is any sense to be made of “the stuff
itself” absolutely understood. There are de re necessities about
all of them, but there are different necessities depending on how
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the stuff is described. Those are still necessities about the
stuff, but relative to a description.
At the atomic level. It is clear that there is not one
system of kinds of atoms into which they naturally divide.
Elements, that is, atoms sorted by how many protons they have,
are one way of sorting atoms which has a lot of utility most of
the time. But they are not the natural kinds. Some of them are
not natural kinds at all, in any normal sense of “natural.”
The de re necessities about stuffs are de re necessities
relative to a description. Given that this stuff is gold, it has
to have 79 protons. Given that it has atomic weight 195, it could
be gold or platinum, but it has to have 585 quarks.
b) “De re” necessities nobody thinks metaphysical
The following are examples of stuff and individuals about
which there are clearly de re necessities, but obviously not
kinds given by nature’s joints.
1) Pepsi
Pepsi is not on anyone’s list of natural kinds of stuff. The
present sub-section argues that there are true de re modalities
about Pepsi. This is thus an argument against interpreting de re
grammatical constructions as expressing absolute “metaphysical”
necessities. Pepsi is certainly a kind of stuff. What determines
that we are referring to Pepsi when we order a Pepsi by saying
“Pepsi” though, is not a matter of our concepts, but rather a
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matter of what is there in the world.87 For a Davidsonian, the
application-conditions for being Pepsi have to be worldly: “Is
Pepsi” is true of some stuff A just in case A is indeed Pepsi.
Nothing about concepts is relevant here.
People who succeed in referring to Pepsi may have radical
misconceptions of what it takes to be Pepsi. Pepsi is in fact the
only cola sold at Burger King, but Burger King could have signed
a contract with Coca Cola. A person’s concept of Pepsi might be
only that Pepsi is the cola sold at Burger King. What people know
about Pepsi might be contingent features of Pepsi. Thus Pepsi
shares a feature of proper names. “Pepsi” names a stuff, and its
referent is independent of the content of the speaker’s concept.
In the counterfactual situation of different negotiations in
which Burger King contracts with Coca Cola, “Pepsi” still refers
to this stuff and not to Coke. Pepsi is a rigid designator—it
refers to Pepsi in “worlds in which Burger King negotiates
otherwise,” so to speak. That is, worlds in which Burger King
87 Some questions arise about whether it is necessary for Pepsi to be made by Pepsico. Can there be pirate batches of Pepsi? Could Pepsi be a Coca Cola product? A worry for the Pepsi-theorist might be what would be the case iF Coke had bought out Pepsi in the 1980s but continued the brand, but modified the recipe.
Can there be home-made Pepsi? I’m not sure. Pepsi may be an institutional kind, but some corporate products seem to have home-madeversions. When I was a child, my family had little disposable income, so, having played Monopoly at friends’ houses, I made my own set to play with my younger siblings. Was that a real Monopoly set, a pirateset, or a fake set?
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signs a contract with Coke are not worlds in which Pepsi is Coke,
to use the familiar metaphor.88
Pepsi can vary chemically somewhat even on Earth, perhaps in
different markets. Precisely how far from the chemical
constitution of this glass of Pepsi a liquid can be and still be
Pepsi is vague. But, while some counterfactuals about Pepsi are
unclear, it is very clear that if a ginger ale distributed by
Pepsico had been called “Pepsi” it would not have been Pepsi.
Pepsi is a cola, and necessarily so. So, “This couldn’t have
tasted like ginger ale,” is a true grammatically de re
construction about a glass of Pepsi. This is not to deny that the
“very stuff” could have been re-configured atomically to taste
like ginger ale.
So, there are things Pepsi could be and things it could not
be. So, Pepsi has modal properties and modal endurance, just as
water and gold do. But this doesn’t mean that this glass of Pepsi
in itself, this “very stuff,” has to be Pepsi. Surely in this
case, without imagining subatomic rearrangement, the ingredients
did not have to be put together in a Pepsi configuration. Being
Pepsi is something quantities of stuff retain under some
counterfactual situations but not under others. Necessities about
88 Pepsi need not have been called “Pepsi.” Just as there are worlds in
which Aristotle is not called “Aristotle,” so there are worlds in
which Pepsi is called “Pipsy” or even “Fred.”
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Pepsi are objective relative necessities, but not conceptually-
grounded necessities.
2) Bouillon
Pepsi may be in some respects an “institutional” kind, in
that it may require the existence of Pepsico, and so
corporations, capitalism, etc. Bouillon has no such corporate
ties. So, the essence of bouillon would be laid out in
propositions such as “Bouillon cannot be creamy,” and “Bouillon
can have more or less salt.” Thus we would get the particular
claims, “This could have had more salt,” and “This would not have
been bouillon if you had put in milk and a lot of barley.”
Quantities of bouillon are typically quantities of saline
solution. Saline solution has to contain salt, but bouillon does
not. Suppose your restaurant makes bouillon by buying hospital
surplus saline solution and boiling animal remains in it. The
restaurant also offers salt-free bouillon, which is made by
electrically removing the sodium and chlorine ions from regular
bouillon. When I am presented with a bowl of bouillon I ordered,
and thought about ordering the salt-free kind for health reasons,
I might say, “This could have been salt free.” What I said is
true of the bouillon before me; but false of the bowl of saline
solution before me. My “this” does not refer to the stuff itself,
but to the bouillon. Such grammatically de re modal utterances
should be understood as relative to a predicate or kind of
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object, in much the way that “He’s tall” is understood relative
to a predicate. I develop this suggestion below.
There is no chemical definition of bouillon, although there
clearly are some chemical necessities about it. For instance,
sulfur cannot be the predominant ingredient. The “stuff itself,”
given the reflections of the previous section, need not contain
water, and need not contain hydrogen and oxygen. The quarks might
be differently arranged. We will see below that Pepsi and
bouillon need not contain water even when they are Pepsi and
bouillon.
As is the case with Pepsi, a person’s concept of bouillon
may not capture the essence of bouillon. A non-soup-savvy person
might have a conception of bouillon consisting of just “a kind of
soup Campbell’s sells.” That person is referring to bouillon even
though that is a contingent feature of bouillon. She has heard of
bouillon, knows it’s a kind of soup, has seen it on shelves in
the supermarket, but doesn’t know much more than that.
“Bouillabaisse” was that way for me before I googled it to get
the spelling right and saw that it is a kind of fish stew.
Bouillabaisse necessarily contains fish even though my concept of
it had nothing about fish in it. Many people have that relation
to certain color-words. I know that chartreuse and puce are
colors, but I have no idea what general color either one is a
shade of.
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3) Pepsi and bouillon on Twin Earth89
Consider these substances on Twin Earth. On Earth, both
Pepsi and bouillon contain water. If Pepsi establishes an
intergalactic branch on Twin Earth, the franchise operators will
use XYZ to make Pepsi there. Bouillon on Twin Earth also contains
XYZ. If this is right, chemical composition is not crucial for
either of these stuffs. Perhaps our intuitions about water on
Twin Earth should be re-examined, given that Pepsi and bouillon
retain their natures with change of chemistry. Of course, some
chemical compositions are incompatible with being bouillon.
Nothing consisting entirely of elements with atomic numbers
greater than 95 could be either bouillon or Pepsi.
There are truths about Pepsi and bouillon that rest on “what
it would be to be Pepsi” and “what it would be to be bouillon,”
to use Aristotle’s ‘to ti ein einai” explication. In the
relative, conditional sense to be explained below, Pepsi and
bouillon have essences. That is, if a substance is bouillon, it
has to have amino acids. If a substance is Pepsi, it can’t
consist predominantly of lead. These necessities are necessities
about the truth-of-conditions of predicates, not about concepts
and not about “stuffs in themselves apart from all predicates.”
Pepsi and bouillon surely are not divided from other stuffs at
joints in the cosmic structure. Pepsi and bouillon are kinds of
89 Putnam, Hilary (1973).
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stuff, but it is implausible to think that nature itself divides
matter into the Pepsi and not-Pepsi.
Is water any different from Pepsi? Water is a more natural
kind than Pepsi or bouillon for us. We and our fellow organisms
on this planet can get along without Pepsi, but not without
water. The naturalness of the kind water, though, rests on our
being organisms which require water in order to live, not on some
metaphysical distinction of Being. In a broad sense of “culture,”
the “culture of carbon-based organisms,” water is a cultural
kind, just as Pepsi and bouillon are.
4) bushes and other medium-sized individuals
Colas and soups are stuffs, and so not paradigm individuals.
Bushes and trees, though, are discrete organisms and so full-
fledged Aristotelian substances. They have much the same kind of
de re features as persons and electrons, even though they are
rejected by botany as kinds of organisms. “Is a bush” is not a
scientific botanical classification of plants. We can be
confident that botanists will not discover a special dna profile
that characterizes all and only bushes. Nevertheless, bushes are
real and there are de re necessary truths about those objects.
Bushes are necessarily mostly not over one hundred feet tall, for
instance. There could be a freak azalea that grew to over one
hundred feet, but that just shows that Aristotle was right to
speak of natures as being “always or for the most part.”
Aristotle knew of two-headed cows. These necessary truths are not
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truths that rest on concepts. Hilary Putnam may know about bushes
only that they are the short woody plants in front of buildings,
and be under the necessarily mistaken impression that young trees
are bushes until they mature. The same things apply to “is a
tree.” There are de re necessities about trees that Aristotle did
not know, for instance that they are carbon-based organisms.
Among inorganic individuals, rocks, stones, and other terms
of divided reference, are like trees and bushes, perfectly good
predicates true of objects. There are some natural laws about
rocks and stones, but those count nouns are not part of any
natural science.
5) The above examples: Why no frogs?
What are missing from the above apparent counter-examples to
absolute monistic essentialism are paradigm Aristotelian
substances, things like organisms. For organisms, and perhaps for
some other objects, there do not seem to be intuitive or easily
comprehended alternative descriptions relative to which different
necessities obtain about them. A theory which denies that there
are absolute natural kinds must give some kind of explanation of
the truth lying behind Aristotle’s intuition, which he shares
with Van Inwagen,90 that organisms are especially clear cases of
substances. As Aristotle implies in saying that in some sense
every genuine substance is identical with its essence,91
90 Peter van Inwagen, (1990)91 Metaphysics Z6
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organisms are independent of their matter. That is while an
organism has to have some matter, there is no particular matter a
particular organism has to have, unlike the case with artifacts.
Organisms are special.
I certainly agree that organisms are special. I love being
one. Why do these considerations not convince me that nature
itself selects frogs and squirrels as natural kinds? Let me
review several considerations, some of which explain away these
intuitions and some of which attack squirrels and frogs.
a) One most compelling reason that kinds of organisms cannot
reflect a unique set of joints in nature is that the species
which define them are vague and loose. One way to illustrate this
would be by looking at actual biological research on speciation,
which treat it as a gradual process. Another route to the same
conclusion is to reflect that there are continua the steps of
which are one-gene genetic variations between, for instance,
capybaras and cows. That is, to use a sorites argument. There are
explanations of why in fact the distribution of animals is
clumpy, with lots of cows and capybaras but few intermediates,
but those explanations have to do with reproduction, not natural
joints.
b) Being an organism itself is not so clear in some cases.
Viruses are questionable. The individuation of organisms in
sometimes not intuitive at all. Portuguese Man-o-Wars differ from
humans in having larger components as their specialized parts—
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multi-celled organisms rather than cells. The thirty-acre fungus
in Wisconsin is allegedly one single organism rather than Siamese
twins.
c) Organisms will of course be salient to us because hundreds of
millions of years of evolution have fostered the detection and
tracking of predators and prey—medium-sized objects like us. It
certainly behooves us to posit organisms with edges, and that is
precisely what we can thank our ancestors for. That salience to
us, though, does not require nature’s laws to articulate the
universe into the organisms and the non-organisms any more than
numerous other possible articulations.
II Natures as Explanations of Modal Truths
How can there be law-like relations without a privileged
segmentation? As far as I can see, the intuitions that lead one
to connect laws, natures, and necessity from a monistic realist
perspective will do the same on a perspective, to be laid out in
the next chapter, on which there is no segmentation in nature at
all.
From Plato’s Phaedo 92 on, formal explanations have explained
necessary connections by appealing to the natures of things. The
theory being developed here continues that tradition. The present
theory does not suppose, though, that there is a unique division
of reality into beings with their natures. Here is an analogy:
suppose space has some determinate geometry, say Euclidean. The
92 Plato, Phaedo, St.100c3-c8.
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theorems of that geometry determine relations between the lengths
of a hypotenuse and the lengths of the side of a triangle. But
the units do not matter. Feet, meters, ells, cubits, and
innumerable other unposited bits of space are themselves
constrained by the same structure. Space itself, though, has no
special units. Any substitution of another stable unit-term for
“meter” in “The nature of a right triangle with two shorter sides
three meters by four meters determines that the third side is
five meters long” will be a truth.93
The precision of the determination depends on the
suitability of the unit. If we had units that were less suitable,
the results would be probabilistic and approximate. If, for
instance, we measured in paces by stepping off distances, the
theorem would only give us approximate predictions about the
number of paces in the hypotenuse of a triangle with sides three
thousand paces and four thousand paces. Paces are not so good for
detailed work. This is not to say that there are no paces, nor
that paces are a bad unit. Sometimes nothing better is available,
many times paces are convenient and good enough. Cubits, hands,
and ells likewise will give very approximate results. Reliable
physical standards for units such that units “have the same size”
so that theorems could be expected to actually apply in detail
have only recently been achieved.94 Given the density of the
number line and the inability of physical measurement to
93 This metric analogy was used by Davidson (1977) p. 224-5.
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distinguish rational lengths from irrational ones, no complete
accuracy is even possible.
In an extreme case, say a unit based on the meter that
assigned successive units a randomly- assigned real number of
meters between one and a thousand, the theorems of geometry would
tell us nothing about relations among sides and hypotenuses.
Usable units would be somewhere between the meter and these
bizarre units. There would be enough relation to the underlying
geometry to make the units useful in practical matters. Which
practical matters, of course, would depend. You would not want
your surgeon to measure your stents in thousandths of a pace. It
would be (doubly) foolish to fight a duel with pistols and
require that the standard meter replace paces.
From the perspective of the present chapter, there is no
question about the reality of the units. They are all real
legitimate divisions of space. The space is there, so any chunks
of it are there. They equally share in Being. What should be
obvious is that none of them are the “genuine” or “given” units
of space. We don’t think of space as having joints at all. The
94 “Since 1983 the meter has been defined as the distance light travels in avacuum in exactly 1⁄299,792,458th of a second (17th CGPM, Resolution 1). Thisdefinition of the meter makes the length of the meter depend on the durationof the second; by definition the speed of light is now exactly 299,792,458 meters per second.” (www.sizes.com/units/meter.htm)
I am a bit worried. If a successor physics were to discover that lightgets tired after travelling a real long distance, this definition might turnout to be pace-like.
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science of geometry, of course, has its own count-nouns. Lengths
and volumes provide enough articulation to state the general
truths about geometry without supplementary positing of units of
length or volume.
The laws of nature generally, from this perspective, differ from
those of geometry in that something akin to the units are
required for the very statement of the laws. That is, the laws
themselves require expression in terms of beings, whether
particles or fields. It is as if geometry could only be stated in
terms of ells, meters, paces, or some other physical unit. Call
the underlying necessity Ananke. The underlying Ananke that made
the geometries have any success at all in predicting hypotenuses
would be the same for the different units, but the quality and
precision of the laws as stated in varying units would differ a
lot. That may be what happens when you concretize geometry and
add energy.
Ananke may be the way to think of necessity. Strictly
speaking, talk of “laws” misstates what is under discussion. Laws
are linguistic expressions. There being a law is a necessity
sentence in some language being true. Since nothing makes a
sentence true, there is no thing or fact that is a law’s being
true. “Is a law” is a characterization of sentences, so that we
can describe what it is about the sentence that makes it
necessary, but this predicate adds nothing to “necessary.” For a
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variety of reasons discussed in Chapter 5,95 I think that
necessity and possibility are primitive, which is to say that
there is no reduction of these concepts to non-modal ones. A
theory of the modals will be a theory of how various modals are
related. For the moment, think of natural laws, making predicate-
families more or less law-abiding and useful, as the expression
of Ananke.
The details of how to think of laws and modality from the
Davidsonian perspective will be discussed in Chapter 5. How to
think of Being is the topic of a section in the next chapter.
object alternatives. But that’s just Chapter 3: Natures,
Necessity, and Relative Essentialism
This chapter argues for a kind of essentialism that is
compatible with Davidson’s views, as I understand them. Davidson
is committed to the truth of various modal judgments about what
has to be the case just in virtue of the fact that these are
obvious truths. It is clear that these truths are de re modal
truths. So, “That cow has to be a ruminant” is true but “That cow
has to go `moo’” is false even though the concept of the very
95 Briefly: Reduction of modals to part-whole necessity a la “possible worlds”is like reduction of predication to the single predicate “participates” or “isan element of.” Just as you still have unreduced predication for Plato or a set-theorist, you have primitive modal truth even on a realist possible world view. The same is true for other accounts. So one may as well accept primitivemodality to start with..
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young person speaking is such that the salient, defining feature
for “cow” is “Cows go `moo.’”
I Davidson’s commitment to essentialism
In this section I argue that Davidson is implicitly
committed to a kind of essentialism. Since this is a conclusion
Davidson himself would have annoyedly rejected, I will defend it
at some length.
Some kind of essentialism is manifest in Davidson (1974),
page 192: “The notion of organization applies only to
pluralities. But whatever plurality we take experience to consist
in—events like losing a button or stubbing a toe, having a
sensation of warmth or hearing an oboe—we will have to
individuate according to familiar principles.” Davidson argues
that the idea of a domain of objects to be sorted by a
“conceptual scheme” presupposes that objects of some sort have
already been posited as something. His point is that the objects
to be grouped into alternative extensions must already be
conceptualized as some kind of thing in order to jointly
constitute a plurality of distinct entities. There are no
pluralities without count-nouns individuating them. So, he
rejects as incoherent the idea that conceptual schemes sort a
pre-conceptual “given” in possibly different ways.
Davidson’s conception of individuation is Aristotelian.
According to Aristotle, for some predicates, there is no thing to
which that predicate is attached. According to Davidson, for some
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predicates, there is no thing which can be assigned to an
extension. Both Aristotle and Davidson hold that some count-nouns
are entity-constituters, predicates which bring a principle of
individuation and so say what it is to be that individual. For
every object, there is some general term such that that general
term gives the “what it would be to be,” the “to ti en einai” of
that object. That is, for any object there is some feature such
that that object would not be itself without that feature. That
is what “principles of individuation do.” They provide conditions
for when an object exists, how many objects there are, and when
an object still exists. The passage quoted above is thus a
Davidsonian version of Aristotle’s idea that the essence of an
object cannot be an attachment to that object, but must rather be
what constitutes that object as an object with objective
persistence conditions. In Davidsonian terms, Aristotle agrees
that there is no given, in the sense of a plurality of beings
prior to substances with their natures.96
The very large difference is that, for Aristotle, the
predication is done by nature, as it were. Conceptualization, for
Aristotle, is the mind’s adequation to the given structure of the
world. Davidson, on the other hand, is more a Kantian. Like Kant,
Davidson’s frames the issue in epistemological terms, holding
96 We argued in Chapter 2 that even David Lewis is committed to Aristotelian
essentialism about some kind of objects.
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that there is no full-fledged cognition without
conceptualization.97
Davidson is also a pluralist, at least about what substances
and attributes there are. An important text in this regard is his
response to the Goodman “grue-bleen” paradox.98 Whereas many
philosophers have taken the problem to be one of finding
something about “green” such that things really are green but not
grue, Davidson points out99 that “grue” is perfectly fine, if
applied to other objects. Briefly, (switching examples, as
Davidson does for literary effect) supposing that emeroses are
emeralds if examined before 2020 and roses thereafter, then if
“All roses are red” and “all emeralds are green” are law-like, so
is “All emeroses are gred.” Given that there are emeralds and
roses, there is little reason to deny the existence of emeroses
and gred things. There are truths about them.
Davidson would have been reluctant to call his view any
version of “Aristotelian essentialism,” just as Quine was
reluctant to so characterize his view.100 Quine and Davidson of
course treat essentialism as the view that entities have
necessary features regardless of how they are characterized. They
97 Kant, (1785). A 51.98 Goodman, Nelson. (1955). 99 Davidson, Donald. (1966).100 Quine (1953b) page173-174.
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are thinking of monistic essentialism, the idea that nature
itself is divided into beings and properties.
Quine, however, does have a given—stimulations, the impacts
on sense-organs, which he takes to be the objective material
relative to which we posit various kinds of objects. So, for
Quine, posits are at a kind of remove from actual reality. For
Davidson, since there is no given, the objects with their
individuating conditions are epistemologically basic. Their
relation to what it is to be one of them is like Aristotle’s—not
to be understood as something applying to something else.
The obvious question is how essentialism comports with
Davidson’s remark that sameness is always relative to a
predicate. There is a tension between Davidson’s apparent
rejection of essentialism and maintaining the Davidsonian view
that to have a domain of beings requires conceptualization as
something. If conceptualization is basic, each being must have a
“what it would be to be,” some predicate true of it apart from
which it would not be that thing. Since ascribing a“what it would
be to be” is ascribing an essence, then the conceptualization
that could yield a domain of objects is an assignment of an
essence.
The obvious resolution of this tension out for a Davidsonian
is to articulate a version of essentialism that allows there to
be constituting features of objects and so necessary truths about
objects while denying that there is any sameness except relative
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to a predicate. The general idea is that, given Davidson’s
conception of reference as discussed in Chapter 1, the
necessities about an object relative to that object being a
particular kind of object are not conceptual, but de re. In
Chapter 1 I argued that Davidson is neither a causal theorist nor
a resemblance theorist about extensions of predicates. Only the
truth-condition clause for the predicate gives the meaning. If
Davidson were to allow, which he should, that different objects
can share the same space at the same time, then there would be
necessary truths about each of them. However, there would not be
a single entity to be pointed to in that space about which those
necessities were true. So, both sameness and necessity would be
relative to which kind of thing is taken to be the occupant of
the space at that time. This will mean that some cases which
Davidson thinks of as the same thing under different descriptions
are actually distinct things. I argue in the next chapter that
that modification of Davidson’s application of his view is an
improvement.
This chapter develops a way of thinking about entities on
which, while samenesses of entities are relative to predicates,
entities are still constituted by those predicates being true of
them. It will also be clear how there can be de re necessary
truths about such entities. I claim that Davidson is an
essentialist malgre lui, but that is because, in denying a given,
Davidson’s conception of entities seems to me to be like
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Aristotle’s, minus Aristotle’s idea that there is only one set of
predicates that say what things are in themselves.
In spite of Quine’s rejection of Aristotelian essentialism,
the debt of the theory to be presented to Quine should be
evident. Quine’s term for this conceptualization is “positing.”
He thinks of posits as not thoroughly objective, but rather as
underdetermined sortings of sensory inputs. This chapter will
retain the same term, “posit,” but understand it to mean the kind
of direct access101 contact with objects Davidson gets by dropping
the notion of a given. Without the contrast to a given, calling
something a “posit” does not diminish its claim to objectivity
and reality.
For Davidson, positing is generally not optional and usually
not voluntary. Davidson is a partial subscriber to Quine’s
dictum, “no entity without identity.”102 Where Quine means that a
positer has to specify the identity-conditions of a posited
object, Davidson need only require that there be objective
identity and persistence conditions. Davidson can agree with
Kripke and Wittgenstein that there are very few definitions
outside of mathematics which give necessary and sufficient
conditions for anything. If positing dogs is acceptable, then
101 Davidson (1974), p. 198: “In giving up the dualism of scheme and world, we
do not give up the world, but re-establish unmediated touch with the familiar
objects whose antics make our sentences and opinions true or false.”102 Quine (1969) page 23.
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positing entities without knowing necessary and sufficient
conditions is acceptable.
For useful posits, some necessary truths will be
consequences of a given kind of object being posited. While it is
true that there will not in general be a definition of a term in
other terms, a useful posit will have some law-like connections
with other terms. We can be quite confident in the truth of
sentences like, “Cows cannot be deciduous” “Cows have to be warm-
blooded,” and so forth even if we are not cow experts. If we
understand a term, and the referent of the term is a useful
posit, there will be true modal remarks about those objects—what
they can and cannot be.
Many of the modal truths associated with medium-sized
objects will be weaker than necessity.103 For some natural kind
terms, all the special modal truths about a given kind may be
weaker than necessity. Such conditions would be probabilistic, in
the way that Aristotle’s natural laws, which are “always or for
the most part”104 are. Aristotle’s phrase for such weaker
necessities, “always or for the most part,” I understand to be a
claim of necessary conditional probability. If it is the nature
of a cow to be “always or for the most part” single-headed, then
that likelihood is a necessary feature of a cow. Such a statement
103 Of course, in a sense that will not produce useful essential truths,every posit allows specification in terms of necessary and sufficient conditions. “Is a cow” is true of an object just in case it is a cow.104 Aristotle, Physics, B5 196b10; Metaphysics Epsilon 2 1027b30ff.
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of necessary conditions would be, for example, “Necessarily, if
an animal is a cow, then it very probably has only one head.”
Such necessary conditional probabilities are sufficient for
tracking entities.
We can, of course, arrive at posits that have non-
probabilistic essences, or whose necessary conditional
probabilities are higher, or are more useful for some purposes.
For instance, we have supplemented Earth, Air, Fire, and Water as
elements with chemical kinds. But that supplementation is
compatible with continuing to posit earth, air, fire and water,
which we of course do. We have earth-moving machines, water
parks, air-quality indices, and fire departments.
A posit will generally not entail necessary and sufficient
conditions in other terms for the existence, persistence, and
identity of a posited object. A posit of animals as a kind of
being can take place without any speaker knowing what exactly it
takes for an organism to be an animal, as long as the posit has
useful enough connections with other predicates. However, any
language-user who understands the term will know some necessary
probabilistic necessary conditions and some necessary
probabilistic sufficient conditions. In general, then, positing a
kind of entity generates necessary truths.
II The Miracle of Beings and Properties
This section argues for a kind of Kantianism about general
terms and singular terms. It is an interpretation of Davidson’s
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view on positing objects. In effect, I understand Quine, and
Davidson following him to have proposed an alternative conception
of Being. Beings are in a certain sense artifacts rather than
givens. This is a Kantian interpretation of Quine’s
characterization of entities as “posits” interpreted in
Davidsonian given-less terms.
I start from this consideration: We cannot be rational
agents and thinkers unless we can make well-founded inferences
which are not truth-functionally valid. A rational being must be
able to reason from, for instance, “All frogs are green” and “Joe
is a frog” to “Joe is green.” Such inferences are only possible
in a language with sub-sentential structure, that is, equivalents
to singular terms and general terms. So, any thinking being must
think in terms of objects as referents of singular terms, and
properties, as general terms true of such objects.
On one conception, the anthropocentric one, our minds are
suited to nature by a natural law about us. For Plato, there is
an affinity of soul to the structure of reality.105 For Aristotle,
the intellect is a faculty which gets forms of natural kinds
without their matter. Nature is articulated into beings and
properties and the articulation our thought and speech, happily,
matches the articulation of the world. The modern version of the
adequation of our minds to the joints in the world makes our
minds conform to nature via an account involving evolution. But
105 I take this to be an interpretation of anamnesis.
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only very imperfect laws will result from this approach, given
the vast difference between the equations that describe what
happens in space-time and the crude, exceptionful generalizations
available about macro-objects. It is difficult to see how any
version of “natural joints” could correspond to the vague
extensions of the predicates true of medium-sized objects that
the sorites argument makes salient. As discussed in Chapter 2,
this is the dilemma that post-Aristotelian essentialists have had
to deal with since it became clear that the objects of the
sciences with the strongest laws are not organisms and not the
objects we organisms deal with in our lives. I regard this as the
main crisis of contemporary metaphysics.
Given that we correctly make strong modal claims about
medium-sized objects, some kind of basis in the natures of things
must be constructed to support such claims. Many philosophers106
who quite reasonably wish to make their metaphysics accommodate
common sense have proposed a variety of accounts of how the
objects of everyday life fit with an underlying world of micro-
particles. I do not intend to try to refute their views or to
show that no such view could possibly work.
On the alternative Kantian107 conception, there is no
miraculous match between the structure of language and a special 106 See, for instance Elder (2005), Millikan (1984). 107 By “Kantian” I mean that the accommodation is from our side rather from the side of the world. We impose an articulation on what is not intrinsically articulated.
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ontology of beings and properties. Rather, we impose a structure
of singular terms and predicates as a condition of thinking and
using a language. This is not to say that we misrepresent
anything in doing so, or that what our sentences are about is
“phenomenal” rather than noumenal. Just as any text must be in
some font or other, any thinkable thoughts and speakable
discourses must have general terms and singular terms. From this
point of view, the idea that nature itself is divided up into
beings and properties to correspond to our predicates is like the
idea that only Times New Roman gets English right.
I call this view of ontology “Kantian” because of the strong
similarity between Kant’s approach to metaphysical questions and
what is being proposed here. Kant thought that many metaphysical
questions were mistakenly taken to be questions about a given,
knower-dependent reality. He had arguments designed to show that
those issues were really about what knowers have to be like. In a
similar fashion, the present view of ontology takes the
articulation of the world into beings and properties to be an
artifact of the necessity of thinking in a language that allows
inferences that depend on sub-sentential structure, rather than a
feature of the world itself, intrinsic to nature. This Kantian
version of Davidson, like Kant, takes the structure of logic to
be the structure of the world as we can think it, but with a
better conception of the structure of logic.
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Quine’s and Davidson’s analogy is that to suppose there is a
given articulation in nature would be like supposing that space
comes intrinsically divided into meters, and time comes segmented
into seconds. It is true that in order to apply mathematics to
space and time, which application is a necessity for the
possibility of formulating decent physical laws, some unit must
be posited. Likewise, in order to think about the world, the
thinking must be in an articulated language. To deny that space
is itself articulated in terms of meters is not to deny that
meters are real.108 Likewise, to deny that nature divides the
world into chairs, squirrels, and hadrons is not to deny that
chairs, squirrels, and hadrons are real things. Just as space in
not given in meters, so the physical world of objects is not
given in chairs, squirrels, and hadrons.
The general character of the posits and predicates we in
fact employ is by and large determined by our billions-of-years-
long sequence of ancestors. Most of our posits are inheritances,
rather than voluntary creations.109 By evolution’s mechanisms, we
have come to apply medium-sized object predicates to ourselves
108 Measures of quantities are peculiar items, about which a lot could be said. Schwartzchild and Wilkinson (2002) call them “classifiers,” but do not seem to say whether they refer to entities. My view is thatthey denote odd entities, since they take definite and indefinite articles. “An extra inch would make him tall.”109 Quine’s (1969) is an early expression of this idea about the acclimation of our posits with the workings of the physical world.
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and our surroundings. Since “is an agent” and “is a language” are
part of our inheritance, and apply to us and to our thought, we
are unlikely to coherently imagine a fundamentally different
alternative, a radically different set of predicates, that
language-using agents could be interpreted as having. On the other
hand, we perfectly well envision regional alternatives, and over
time our predicates change—we did not talk about gluons even
seventy-five years ago.
To review: We could not think unless we could recognize
formal inferential relations among truth-functionally simple
sentences. Any language that allows logical relationships among
truth-functionally simple sentences must have singular terms and
something equivalent to predicates. A semantics for such a
language of course assigns objects as semantic values of singular
terms and is at liberty to assign properties or sets as semantic
values of predicates. A natural question is, “How does it happen
that reality happens to be divided into objects and properties
just as it must be in order for us to think about it?” It is
possible that the way the world is in itself, is divided into objects
and properties, so that the world just happens to conform to the
requirement of thought and language adequate for describing that
world. It might be just lucky that nature is divided into
properties and objects, which are just what is needed to be the
semantic values of singular terms and predicates. Or it might be
part of the Divine plan.
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The two real possibilities for this coincidence seem to be:
a) We have evolved the singular term/ general term scheme as an
adaptation to the world’s being naturally divided into objects
and properties.
b) The singular term/ general term scheme is an artifact of the
subjects who are thinking and speaking. Subjects who think and
speak have to posit objects and properties in order to be able to
think and speak. These subjects are of course also posits, as we
will discuss below.
The next few paragraphs argue against possibility a). If
there were objective divisions in nature, the most likely
divisions in nature would have only a loose connection to the
objects we have evolved to be and to notice. We impose the
singular term/general term scheme independently of any pressure
from the natural divisions of the world, if such there be.
As naturalists, Davidsonians take necessities to be grounded
in natural laws. The “what it is to be” of an electron is
constituted by the laws about electrons. If our use of the
object-feature scheme were itself shaped by nature, in the way
that, plausibly, the particular predicates we use are shaped by
our evolutionary history,110 then the divisions natural for us 110 Quine’s(1969) argument gives the best explanation of the happy match between our predicates and the world we live in. Billions of years of evolutionary history has indeed shaped our conceptions to the phenomena recognition of which is of supreme practical importance. Such an evolutionary argument, though, is ill-equipped to explain how we have come to have the object-property scheme itself. Our starting point, surely, would have nothing to do with nature’s fundamental joints.
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would be the divisions in nature revealed by the most excellent
natural laws. However, we have good evidence that the best
candidates for reflecting the fundamental divisions in nature are
micro-particles and fields, relative to which the medium-sized
objects of everyday life, including ourselves, are not definable
or really connected by any good laws. Most of our predicates have
only the loosest connection to the micro-particle laws that would
be the most accurate indications of nature’s intrinsic structure,
if there were such an intrinsic structure.
So, we posit properties and beings whether or not our posits
are dictated by nature’s laws. The explanation of why we impose
the predicate-singular term format cannot be that that is how
nature is. If there were intrinsically fundamental objects in the
world, they would be micro-particles and fields, relative to
which the objects of our “lived world” are not connected in a
law-like way which would allow reducibility. The beings that
include us organisms and are the focus of Darwinian concern of
organisms are not the fundamental objects. If it had not been for
the features of ribonucleic and deoxyribonucleic acid that
brought about complexes that can reproduce, and the happy
accident that there are environments in which such complicated
compounds can occur, terms for organisms and medium-sized objects
would have no application whatsoever.
So, it’s hard to see how nature’s being divided into beings
and properties would actually explain how it came about that
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nature is structured in a way that allows it to be intelligible
to us. The divisions into properties and beings that matter to
organisms, including the ones that identify those very organisms,
seem not to be a product of nature, but rather a very sloppy
product of those very sloppy products, organisms, themselves.
RNA and DNA, in the right environment, lead to complexes
that respond to complexes differentially. In the longish run,
selection leads to some of the complexes having languages whose
referents, so to speak, are the sloppy objects recognition of
which account for their existence. Organisms and medium-sized
objects, that is, are best construed as cultural objects of the
advanced carbon-based replicator culture. We make our objects. In
Hegel’s sense, our objects are us.
In any case, nature doesn’t seem to be doing any work on the
object-and-property front that really accounts for the nice
correlation between language being possible and nature’s actually
having a particular articulation into beings and properties. That
is, even granting that nature itself is intrinsically organized
into beings and properties, that would not explain our
accommodation to that fact.
The striking truth is that we have to think in terms of
beings and properties whether or not nature dictates those
properties and beings. We for two thousand years at least thought
that the fundamental kinds of stuff are earth, air, fire and
water. We still think those are kinds of stuff, of course, since
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there are truths about, for instance earth and earth-moving
machines. We can by and large sort stuffs according to those
predicates, and it is useful to have them. Their usefulness means
that there are some law-like at least approximate generalizations
about them. However, we don’t think that nature divides the world
into Beings such that this division is central. We do not think
that Earth is a natural kind.111
III) Alternative Positing and Alternative Conceptual Schemes
Following Goodman’s (1955), and the literature that
followed, we tend to think of alternatives to our predicates as
re-sorting of objects and stuff we already posit. This may
sometimes be the case, perhaps in biological classification and
perhaps other topics. In the general case, the situation with
different predicate schemes is nothing like that.
We share enough of Aristotle’s beliefs to understand him
rather well. But what re-sorting of the extensions of Aristotle’s
terms would yield magnetic fields, electrons, or neutrons? These
111 The Quinean-Kantian conception that all beings and features are posits should not be confused with the idea that the universeis gunk, i.e. infinitely divisible stuff with no intrinsic articulation. The gunk hypothesis is a view about how many beingsthere really are; the present theory is the claim that any objects and properties whatsoever are posits. There is no number which numbers the beings, just as there is no number which gives the distance between Grand Central Station and the Empire State Building. It all depends on whether the measure is paces, meters,or cubits.
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entities are very likely to be preserved in future theories, and
it seems reasonable to conclude that there are indeed truths
about them. But no re-sorting of Aristotle’s entities will give
the extension of “is an electron” even though electrons are
ubiquitous as components of the entities Aristotle shares with
us. We can reasonably suppose that if scientific progress
continues, there will be truths discovered using predicates that
are to us as “gluon” would be to Aristotle—not constructible by
sorting the extensions of our predicates. Note that this is not
to say that those predicates are inexpressible in English or that
“gluon” is inexpressible in classical Greek.
The very idea of positing objects is that those objects are
not generally available to the thinker without the positing. This
does not mean that, for instance, electrons did not exist before
humans started to talk about them. We are using our language to
correctly describe the way the world was. Since our utterances
are true, electrons existed in classical Greece. It is of course
the case that those truths did not exist then. 112
Positing for Davidson cannot be an internalist stipulation
of conditions. Quine’s conception of a posit often seems to
presuppose a “fit” account of reference. The objects we posit are
112 Over-reaction to the consideration that the beings are posited is what leads people like Latour and Woolgar (1979) to say that bacteria didn’t exist before Pasteur, and that electrons didn’t exist before Thomson’s 1897 experiments. That would be idealism, which the present theory is not.
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determined by the positing. The necessary truths about posited
objects are as it were stipulated. For Davidson, that cannot be
the correct account. On Davidson’s externalist view, we could be
wrong about important features of the objects we posit.
Extensions are not fixed by intrinsic features of our concepts.
For Davidson, to say that we posit an object of kind A is to say
that we utter things that it is reasonable to interpret as
referring to As, and that that interpretation is not forced by
the narrow choices made available by the intrinsic articulation
of nature.
Objects and properties are posits, but “posit” should not be
understood as active, in most cases. The predicates we use are
not generally chosen, but rather inherited from our ancestors
along the lines Quine (1969) laid out. On Davidsonian
interpretive grounds, most of what we say with our evolved
predicates is true. The fact that “tall” or “earth” do not reduce
to something precise and scientific doesn’t make sentences using
“tall” and “earth” false, it just makes them less useful for some
purposes. That is, given the Davidsonian account of truth, as
long as there are true attributions of the predicates, the
objects picked out by predicates in an imperfect predicate-system
are real. If “There are three chairs in the room” is true, then
there are three chairs in the room. So chairs are real, even
though there is no criterion in the terms of particle physics or
any other predicate family for when “is a chair” applies to a
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collection of particles. Given that connection to the common
world is how language gets underway, the vast majority of the
things people try to talk about are there to be talked about.
IV) Alternative Conceptual Schemes?
The relative essentialism proposed here, which denies that
nature itself is divided into objects, does not mean that there
are alternative “conceptual schemes” in the sense of radically
different systems of predicates. Without the picture of something
given to be conceptualized in various ways, it is hard to make
sense of global alternatives even as abstract objects. If there
were sense to be made of such alternatives, they would not be
alternative predicates. Predicates are parts of languages and
languages are used by agents. “Is a language” is a predicate in
our system of predicates, along with “speaker,” “thinks,” and the
whole intentional framework. That intentional framework treats us
as special medium-sized objects to whom those predicates apply.
So, we think of ourselves as such medium-sized objects dealing
with medium-sized objects. So, for us, while there can be
substantial additions and modifications of our theories, when we
stop believing in the Tooth Fairy and start to wonder about
gravitons, global conceptual change, with mostly new objects and
mostly new predicates, abandoning the intentional framework, is
out of the question. If we did not have the intentional scheme,
we would not be language-users of any kind. The same applies to
any other language-users. So the idea of a global alternative
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predicate system is incoherent. If the predicates were very
different, they wouldn’t be predicates.
So, even though the predicates and singular terms we posit
are posits, there are no alternatives for language-users, just
because there are no truths without language-users, and there are
no “users” without the intentional framework. But the lack of
coherently imaginable alternatives does not mean that the nature
conforms in itself to the positing we do.
Perhaps in some ontological sense there are an indefinitely
large number of objects in the same place and time span that one
of our objects inhabits. Even if that could be made sense of, the
vast majority of such additional objects are not possible posits
for language-users, and so not really possible posits, and so not
really possible alternative predicates, except in some wholly
abstract way.
V) Local variations
Davidson’s remark that sameness is always relative to a
predicate, while it does not countenance global variants of the
“conceptual scheme” kind, does allow that different people and
cultures can think differently.
Davidson’s account of meaning and language-learning
tolerates much variation within the framework of interpretable
predicates. A language-learner will learn that this object is a
cow. What “is a cow” is true of, though, the extension of the
term, is something that is not immediately apparent. Whether, for
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instance, a capybara is in the extension of “is a cow” or not is
not evident for a while. Different possible language-communities,
that is, different possible variants of application of English
predicates, will have different conditions required for “is a
cow” to be true of an individual. Because truth requires the
possibility of falsehood, the correct interpretation of the
extensions of predicates is founded on, but not determined by,
the application-practices of the culture within which the
language-learner learns. This does not mean that the culture as a
whole cannot make mistakes. The members of that same culture may
also apply “cow” to deceased ancestors on the basis of religious
opinions. In that case, even though there is an appropriate set,
an interpreter (or skeptical language-learner later in life) may
reasonably hold that what everyone else thinks is just mistaken.
So, we certainly sometimes would be justified in
interpretations that, as it were, “divide up the world
differently.” This kind of alternative is indeed just re-sorting
of entities we have already posited. We allow that different
cultures can divide emotions differently. It is well known that
different cultures divide colors differently. But as a general
rule, assigning strange extensions to other speakers goes against
charity.113 The correct application of a predicate is determined
113 The term and concept “charity” is due to Neil Wilson (1959).
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by the format, “`F’ is true of an object A if and only if A is
F.” 114
VI Multiple objects in the same place at the same time
We have already seen examples of overlapping objects in the
previous chapter. There are other possible predicates true of
objects that occupy the same space-time region filled by Fred the
frog that have different identity and sameness conditions. Fred’s
material components will survive Fred’s being squashed whereas
Fred will not. So, “This has to be an amphibian” will be true of
the frog, but not true of the squashed animal matter. And that
predicate, “is squashed animal matter” is only an easily
available, comprehensible alternative we already can formulate.
Familiar artificial objects, such as space-time worms and the
114 If there are no entities of which “F” is true, the term does not have an extension. How, then, can “phlogiston” be deemed not to refer at all? In interpretation, we take into account the connections of the term being interpreted with other terms of thespeaker’s language. The advocates of phlogiston held a number of views about when phlogiston was present and what de-phlogistonated air was. Since application behavior is relevant, but not constitutive of extension, we can reasonably conclude that this predicate does not apply to anything, even though thereis a kind that fits all of the users’ actual application-behavior. Such a conclusion rests on a substantial amount of agreement between us and the phlogiston-theorist. We have to understand the phlogiston-theorist by interpreting him as largelybelieving truths in order to see that he is mistaken in positing phlogiston.
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Quinean ontological alternatives apparently supply more cases of
multiple objects occupying the same space and time.
Relative essentialism treats all such objects as equally
real, and as distinct objects. If two things differ in their
modal properties, they are different. This is the major deviation
of the relative essentialism presented above and Davidson’s
actual views. Davidson treats what I would regard as distinct
objects as two descriptions of the same object.
It is true that in many of cases of complete coincidence,
there seems to be only one thing. The distinct things I would
recognize are filling the same space at a given time, and perhaps
for their entire careers. So, the statue and the material, for
instance, may plausibly be thought to be one thing, as Aristotle
thought. Davidson seems to agree, even though much of his thought
would seem to indicate the opposite—if sameness is relative to a
predicate, then multiple descriptions of the same thing will at
least sometimes be descriptions of different things. Where this
monism seems to lead to very unintuitive results is when the
topic turns to events, as we will see in the next chapter.
Davidson actually is committed to distinct objects filling
the same space at the same time, if his remarks about emeroses
are taken to be an endorsement of “Emeroses are gred” as a
lawlike truth, and so about real objects. Emeroses are distinct
from emeralds, but overlap with all emeralds that have been
examined before 2020, as well as with very many other entities.
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So, at least in some cases, Davidson countenances the possibility
that distinct objects occupy the same space at the same time.
VII How do we fit in?
There is a prima facie problem of how to think of thinking,
speaking, positing subjects (like us) existing in such a world.
We ourselves, the language-users and object-positers, are among
the objects we posit. Some account of self-conscious objects,
objects who are also subjects, is demanded. Such objects are
self-positers. This will sound paradoxical if “positing” is
identified with “making up” or “constructing a convention.” That
is not the thesis here. The present theory does not deny that
human beings are real and does not say that humans or any other
objects other than things like ground-rule doubles are
conventional. There is no obvious reason why, among the objects
that are posited, human beings are not themselves posited. In
fact, it would appear from animal studies that self-consciousness
is rather late among the positings, when the organism has a lot
of conceptual or proto-conceptual equipment. Nevertheless perhaps
a story is needed.
So the next few paragraphs are a sketch, details of which
would be filled out by virtually any respectable biological story
about how humans emerge from the slime, of how self-positers
could happen. The key is that “positing” need not be construed as
voluntary choice, but rather as evolved discrimination. Positing
or perhaps proto-positing, is not limited to self-conscious or
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even conscious beings. The positing of self-conscious beings
should be seen as a special case of the more general phenomenon
that organisms can come to respond to their environment and to
each other. As far as I can see, at no point in the story do we
need to appeal to a given articulation of the world into beings
and properties. There is an articulation appealed to, of course,
namely the one we medium-sized organisms have evolved and the one
which includes us self-representing, self-positing positers.
In an environment with medium-sized objects interacting with
one another, it can happen (in the right environment, given DNA
or the like) that some medium-sized objects reproduce similar
medium-sized objects. Given differential success in such
reproduction, it can come to matter that such medium-sized
objects respond differentially to medium-sized objects. Patterns
of responses that increase the probability of reproduction, when
those patterns are themselves reproduced, lead to greater
probabilities of reproduction. It can turn out to be advantageous
for such organisms to respond to their own responses, and to
represent their responses. They can come to have a language that
embodies a medium-sized object predicate scheme. Of course, such
medium-sized objects will think of themselves as medium-sized
objects. Given that their entire language is built on medium-
sized objects and their properties, they could hardly do anything
else.
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While such a scheme is indeed natural for such objects in
such specialized and rare environments, that does not mean that
nature selected that scheme. It means that, in this specialized
environment, this scheme works well enough to be selected. The
positing is automatic, up to the point at which some of these
organisms are so self-conscious that they are conscious of their
scheme and the possibilities of alternatives.
In this story, it is of course important that the items in
the story be real objects. At no point, though, is there anything
that requires a single domain of objects given by nature. Any
story of how humans come to be objects and to recognize objects
on a “realist,” unique- given- domain- of- beings story will do
just as well according to a story on which the objects are real,
but not naturally given, as feet are real but not naturally given
units of length.
The usefulness of the different posits for different
purposes has to be based on something. Clearly, there have to be
laws of nature that apply to any useful posited object. As
discussed in the last section of the previous chapter, laws of
nature need not presuppose any particular articulation of the
world into objects.
VIII Names and Demonstratives: Direct Reference
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An advantage of the realist conception of given beings is
that realism coupled with a causal account of reference115
explains the apparent phenomenon that we are able to indicate
beings directly. We are able to refer to things by their names
without mentioning a kind to which they belong. A use of “Fred”
designates Fred the human. An explanation of the fact that we do
not have to specify “human” is that the human is the only
candidate object. Likewise when I hold a stiletto up and say
“This is what you need.” The stiletto is referred to, but nothing
is selecting it. It must be already selected. If there is no
privileged division in nature, it would seem that neither bare
naming nor bare demonstratives could succeed.
a) Names
An account of names that seems to accord with Davidson’s views
treats names, when used as names of individuals, as predicates
with a concealed demonstrative. This demonstrative itself only
demonstrates relative to some general term, filled-in in
interpretation. That is, just as the interpretation of “John is
tall” in Chapter 9 interprets the sentence as “John is tall for a
man/ basketball player/ Medieval monk,”116 so the interpretation
115 Nothing, by the way, prevents Davidson from saying that, by and large, whena name is learned by ostension, the referent of the name is the object which causes the joint response. A causal story does not require a unique articulation of reality into beings.116 The account sketched here descends from Peter Geach’s (1962). Kripke (1970), footnote 58, pp.115-116, criticizes Geach’s account because it seems to make the count-noun associated with the name part of the meaning of the name. The present account does not follow Geach in that respect.
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of “Aristotle is intelligent” interprets the demonstrative
element of the name as relative to some count noun, in this case.
The general term relative to which the demonstrative is
interpreted is not part of the meaning.
Necessities about Aristotle are then necessities that rest on the
theory of organisms or men. Aristotle (this man) in
counterfactual situations is still Aristotle this man. While
there are other naming intentions that could have been present
when Aristotle was named (this batch of baby-flesh, this space-
time region, etc.) those intentions are biologically unlikely,
and the interpreter is unlikely to couple the demonstrative part
of the name with such entities. Organisms that exist only because
of reproduction and survive primarily by dealing with other
organisms must take account of organisms. Organisms whose young
require care will have evolved so as to identify their young as
continuing objects. While organisms labeling organisms is normal
and natural, that naturalness is biological, not metaphysical.
A name’s containing a demonstrative element that refers relative
to a general term means that the person using a name generally
has some count-noun in mind, even if the hearer cannot identify
which count-noun. We could think of the general term as filling
an argument place that is left unpronounced, but I am inclined to
spoken or too obvious to mention. The treatment would thus be
formally like the unspoken general term presupposed on many
accounts of the attributive construction of comparative
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adjectives. The general term is not part of the “meaning” of the
name, which, as always, is given by the appropriate truth-
definition clause. “`Is John” is true of an entity if and only if
that entity is John.” “John is a man” is not analytic.
The general term can be of greater or less specificity, and have
more or fewer consequences. “Professor,” “human,” “protoplasm,”
“organism” “stuff” and “thing” would be a some alternatives.
“Thing” and “stuff” would qualify as a general terms at all only
as distinguished from “shadow,” “illusion” and perhaps
“hologram.” “Entity” on the present account would seem not to be
a general term that could strictly provide a referent. “Entity”
or “being” could be interpreted, perhaps, as a disjunction of the
kinds of entity that the speaker and hearer posit. So, “What the
heck is that?” with a pointing may succeed in referring, even
though the speaker has no intention to refer to what is there
under any general term.
Most of our intuitions about “initial baptism” work as well
on the present account as on accounts that presuppose a
privileged articulation. Let us consider a simplified naming
event, by Balboa at the western shore of Central America. Suppose
Balboa says, “Pacific,” gesturing towards the west, and then,
overcome by the rigors of his recent journey, collapses and dies.
Balboa’s men then split into two groups, one headed north and the
other south. Balboa’s speech act may have been a description, but
let us suppose he intended to be naming. Balboa himself may have
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had in mind the Pacific Ocean, San Miguel Bay, or the Isla del
Rey among plausible objects intuitively deserving of a name. His
men, though, never find out what object he has in mind. When
they, with the intention of following their former leader, use
“Pacific” as a name, they are interpreting by assigning a coupled
count-noun. The two groups may interpret differently, and maps
drawn by one group may label San Miguel Bay “Pacific Bay” while
maps drawn by the other group label Isla del Ray “Pacific
Island.” Thus, even if Balboa himself had had “ocean” in mind
during the baptism, that is not part of the meaning of the name.
The interpretation of what kind of thing it is that the name
names determines what the necessary truths about the item are,
according to the interpreter. The authority, though, does not
necessarily rest with the baptizer. If Balboa intended “island”
and his followers interpret “bay”, “Pacific (bay)” is a
misinterpretation of Balboa, but a correct interpretation of the
name in the idiolect of the followers.117
b) Demonstratives and Pure Indexicals
Balboa in the above example of naming, used a demonstrative,
“this” or “that” coupled with a general term. How do “this” and
“that” work? Simple demonstratives, on the present account, refer
only relative to a general term. The model is Jeffrey King’s
117 The speaker’s intention does not necessarily determine that anything is named, even by the speaker himself. If Balboa mistakes the expanse of water for a mirage on a great desert, and intends to name that desert, he has not succeeded.
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(2001) account of complex demonstratives. Balboa at the edge of
the Pacific saying “This is rather attractive” might have had the
bay, the beach, water in general, or the ocean in mind, among
other objects before him. Roughly, his demonstration is
successful when a case of the intended count-noun is before him.
Demonstratives locate the case of a general term relative to
the speaker’s location and the time of the utterance. “This
(frog)” will be “the frog here now that I’m pointing to,”
roughly. Given that the reference is to the case of the count-
noun with the indicated relation to the speaker, the continued
reference to that individual in counterfactual situations (the
firmness of the demonstration) can be explained by the theory
associated with the general term.118 The de re necessities that
are true of the kind coupled with the demonstrative determine
what counterfactuals are about that object. But don’t we need
direct reference to the time, place and speaker? Indeed.
The one place where there is direct reference is with words
like “here”, “now” and “I”—the indexicals, which directly refer
to the place, the time or the speaker of the utterance or text.
The tenses also locate events by reference to the speaker’s
present. Why don’t we need count nouns here? Different
explanations are required. In the case of space and time (“here”
and “now”) no one supposes that there is a natural segmentation 118 In some cases, it can be indeterminable exactly what “that” refers to. After an enjoyable time, your partner says, “Let’s do that again.” Neither younor your partner may know exactly what event-type is being referred to.
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into units. While there are count-nouns, there are no illusions
of privileged count-nouns. Anyone knows that, while there are feet
and meters, so that 100 meters is roughly 300 feet, nature itself
does not segment space into either meters or feet. Likewise,
everyone knows that years, seconds, hours, et alia, are, while
real, not naturally selected units. So, the vague, contextually
specified locations in time and space that “here” and “now” refer
to don’t need a general term because there is no illusion of
natural articulation into units. The reference of “now” can range
from billions of years (“Now that eukaryotes are on the scene…”)
to microseconds. Likewise with “here.” We talk about our local
cluster of galaxies as well as a place on a DNA chain.
How can a speaker refer to herself in order to locate “here”
and “now” without using a count noun? Given the she is a speaker,
she can only take herself to be an agent. So the count-noun for
an utterance of “me” or “I” is an agent, a medium-sized object
conscious of itself as such. There are of course indefinitely
many entities in the place from which the utterance emerges.
However, only the agent is speaking.
d) Why does there seem to be direct reference?
The counter-examples to absolute essentialism in the
previous chapter focused on stuffs. Stuffs are easier to
construct counterexamples for because with stuffs, there are
alternatives available for us to candidate metaphysically natural
kinds. As discussed in Chapter 2, this is not generally the case
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with count nouns that determine individuals. Individuals such as
Aristotle and R2D2 are intuitively more plausible examples of
entities that have metaphysically significant de re properties
because, as it were, there is nothing else we can conceive of
that they could be. Van Inwagen (1990) and Aristotle are correct
to take organisms as the best case of Beings. An organism’s
organized transient relation to its matter means that, for
medium-sized119 organisms at least, individuation can only
practically be done in one way. An organism has few intuitive
alternatives. Organisms of roughly our size yield an articulation
that would be difficult for organisms of our size to track as any
other kind of medium-sized objects otherwise. Furthermore,
hundreds of millions of years of evolution have made organisms
salient to us. So any alternatives, other than “this plant stuff”
or “this meat” leave us with nothing recognizable at all. The
intuition that people and frogs are metaphysically special is
explained by the unavailability for us of alternative medium-sized
objects, but that’s just us.
Chapter 4: Kinds of Events
One important generalization of relative essentialism is
that it applies to all sorts of beings, not just to physical
objects and stuffs. In particular, the view applies to events.
“Is an event” is a general category of being, not a particular
119 As discussed in Chapter 2, fungi that spread below ground over hundreds of feet and Portugese Man O’ Wars may be intuitive counterexamples.
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kind of entity. Just as there is no single formula that specifies
identity conditions for all physical objects, so there is no
criterion for identity of events as such. Furthermore, just as
there can be multiple physical objects in the same space at a
time, so there can be multiple events with the same causes and
same effects. Relative essentialism can allow that we posit many
sorts of events with different identity conditions. Distinct
events may coincide by having the same causes and effects, just
as distinct physical objects may coincide by occupying the same
space at the same time.
This chapter will make this generalization plausible. I will
first give some examples which make the relative essentialist
view of events plausible, then discuss the application of this
view to Davidson’s anomalous monism. My view departs in several
respects both from Davidson’s view of events and also from his
anomalous monism. Rather than an anomalous monism my view of the
mind-body relationship is an innocuous dualism.
I) events in Davidsonian semantics
Davidson’s brilliant account (1967b) of adverbial
modification quantified over events. Here is a sketch of the
problem it solved. “John buttered the toast with a knife at
midnight” clearly entails “John buttered the toast with
something,” “John did something with a knife,” and a variety of
other things. If the prepositional clauses are treated as
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arguments of a single buttering-predicate, there would be two
choices:
a) An all-purpose buttering predicate would have to have every
possible variety of prepositional phrase, so that “John buttered
the bread” would actually use the same six-place predicate as in
“John buttered the bread with butter, with a knife, in the
closet, after midnight” but with three of the places
existentially quantified. The inference from “John buttered the
bread with fresh butter, with a knife, in the closet, after
midnight” to “John buttered the bread,” would then be existential
generalization, from B(John, bread, butter, knife, closet,
midnight) to ExEyEzEw(John, bread,x,y,z,w).
b) There would be several buttering predicates with a variety of
arguments-places for instruments, objects, locations, and so
forth. For each pair of such predicates, there would be special
rules connecting them. For instance, the four-place predicate “x
buttered y with z in w” would need connection to the three-place-
predicate “x buttered in w” by a generalization,
\/x\/y\/z\/w(Fxyzw ->Gxyzw). There would be nothing formal
connecting the buttering predicates, which would be logically
homonyms.
Neither of these solutions is satisfactory.120 One problem
with a) is that there seems to be no obvious limit to the number
120 Kenny (1963) called this problem the “problem of variable polyadicity.”
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of prepositional clauses that could be attached so setting a
number of predicate-places adequate for every possible buttering-
complex looks hopeless. It is difficult to come up with a formula
for adding indefinitely more places, however. So a better
argument is the following: “John lectured through a megaphone”
entails “John lectured.” But lecturing need not be through
anything. So, the inference from “John lectured” to “There is
something through which John lectured” is not valid. So, all-
purpose predicates with every argument place that could be needed
will not work, since those argument places can generate incorrect
consequences for many verbs.
As for b), there are too many connections required among the
sets of predicates to make it plausible that we learn special
rules for each of them. Between any two combinations, for
instance, “John buttered something with a knife in the closet”
and each of “John buttered something” and “John did something in
the closet” and “John buttered something with a knife” there will
be special information required that if the first is true, so is
the other. Obviously, though, we somehow have all such
connections figured out in advance of confronting any particular
such inference. If we understand “John butters,” we understand
“John butters in the closet,” and likewise for the other
connections. These inferences cannot be matters of information
about the special subject matters of buttering, knives, and
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toast, so they must be truth-preserving in virtue of their form.
So the connections must be formal.
Davidson’s insight is that if we treat events as objects
about which a number of things can be said, all these inferences
fall out as simple cases of logical consequence. The theory is
simple and extensional. The logical form assigned to “John
buttered the toast with a knife at midnight” is “Ee(A(j,e) /\
O(t,e) /\ I(k,e) /\ T(m,e)),” and the form assigned to “John
buttered the toast with something” , is “ExEe(A(j,e) /\ I(x,e).”
So, the form assigned to “If John buttered the toast with a knife
at midnight, then John buttered the toast with something” is
“Ee(A(j,e) /\ O(t,e) /\ I(k,e) /\ T(m,e)) -> ExEe(A(j,e) /\
I(x,e)),” a logical truth. Each of the prepositional clauses is
treated as just another conjunct in the conjunction. These
connections, then, all turn out to be logical truths of the form
((A /\ B) ->A) or (Fa ->ExFx). Thus, the problem of variable
polyadicity is solved in a stroke. In addition, predicates with
expletive subjects are given a natural logical form. “It is
raining” is just “Ex(Rx).” It will be true of buttering that it
must be done with something, and not true of lecturing that it
must be done through something. These truths will indeed be
pieces of information special to predicates, and support for the
inference from “John buttered the toast” to “John buttered the
toast with something” will come from such special information
about buttering.
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Variations on Davidson’s idea have come to be the main
theory of adverbs among linguists.121 This quantified conjunction
is a completely extensional construction. For Davidson, events
are just a kind of object, and quantification over them makes
light work of accounting for truth-conditional connections among
adverbial constructions.
Causal sentences are another application of the idea of
events as objects. Apparent connectives such as “because” in “The
thunderstorm formed because two air masses collided” cannot be
genuine sentence connectives, since the sentence seems to be
referentially transparent.122 An event analysis treats “because” 121 See Kratzer (forthcoming), Schein (1993), and Larson (1995).
122 By the Slingshot argument, any referentially transparent sentence-containing context is truth-functional. Briefly, following Quine (1953b), page 161-162, suppose we have a sentence- connective, perhaps B for “because”, as in “John hit Fred because John was mad.” Suppose further that the context created by the connective permits substitution of co-referring expressions, and that set-theoretically equivalent sentences have the same referent. That is, suppose that if Bpq and r results from q by substitution of some co-referring expression within q, then Bpr. Then the proof that this makes the connective truth-functional, so that if Bpq and s has the same truth-value as q, then Bps, is as follows:(1) Bpq
(2) Bp (x|{x=x /\ q}= x|{x=x}) [from (1) by set-theoretic equivalenceto q](3) Bp (x|{x=x /\ s}= x|{x=x}) [from (2) by substitution of the co-referential expression,
x|{x=x /\ s}for x|{x=x /\ p}](4) Bps [by set-theoretical equivalence of s to the second argument of Bp (x|{x=x /\ s}= x|{x=x}) in (3)
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as a two-place relation between events, so that the above
sentence would become, “ExEy(x is the formation of the
thunderstorm /\ y is the collision of two air masses /\ x caused
y).”
The least important aspect of the Davidsonian strategy, it
seems to me, is the limitation to quantifying over events
exclusively. Quantification over something which can have
multiple features is what makes this strategy useful and have
wide application.123 As I will argue in this chapter and in
Chapter 6, states of things are different from events that happen
to things. Some verbs certainly appear to be predications about
states. I will argue that facts are states of the world. Facts
appear to be causes some of the time. Although, given the
different views of ontology Chapter 6 will present, I have a
rather different view about causal sentences and event sentences
from Bennett (1988), his discussion of nominals in chapter 1 of
that book should convince any theorist that there is more to
adverbial modification and nominals than events.
The important part of the Davidsonian idea is that of
quantifying over a kind of object about which many things can be
said. There are numerous kinds of objects with which this can be
done. Allowing quantification over a variety of different objects
can provide an adequate account of adverbial modification.
123 In Chapter 9, a completely different application of the same strategy will
be applied to comparative adjectives.
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Briefly, different verbs and different verbal tenses are
different, and talk about different entities—some states, some
events. “I have been a university employee since 1970” does not
report an event, but something else. With the relaxed view about
ontology that relative essentialism and the constructions of
Chapter 6 make possible, there is no reason whatsoever to try to
keep one’s ontology simple. Every kind of object is real. If some
of the objects we posit are redundant, that does not
II) Different coinciding events
Given that events are entities, as Davidson’s analyses make
very plausible, we can ask how general the category “event” is.
On my view, “is an event” is a predicate of the same level of
generality as “is a physical object.” Being an event is not
something that can be expected to have a general specification in
terms of necessary and sufficient conditions for A being the same
event as B, any more than there is a general specification of the
conditions for A being the same physical object as B.
There are lots of kinds of physical objects that we posit,
and indefinitely many more kinds that we could posit. Physical
objects range from micro-particles to automobiles to organisms to
galaxies. For each kind of physical object, there are conditions
for when an object is of that kind and for when there is one or
more than one. These conditions may be different for many
different kinds of physical object. Being the same shadow is
different from being the same flock and both are different from
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being the same oxygen atom. Sometimes the conditions are very
vague, as with medium-sized physical objects; other times they
are quite specific, as with micro-particles. Tracking quantities
of stuff which overlap with individuals is different from
tracking the individuals. Different kinds of composites have
different identity conditions relative to their components. Cars
can have their fluids changed while remaining the same, whereas
bottles of wine cannot. It would be very difficult to come up
with a criterion stating necessary and sufficient conditions for
being the same physical object which would accord with our
positings.
Exactly the same is true of kinds of events. The identity-
conditions for a Mass are different from the identity conditions
for a wedding. The conditions for events A and B being parts of
the same war are different from the conditions for events C and D
being parts of the same battle. Just as in the case of physical
objects, smaller events are typically parts of larger events. A
transubstantiation of some wafers and wine is part of a Mass.
Just as the micro-macro contrast among kinds of objects and the
contrast between mereological sums of micro-particles and medium-
sized objects yields different but sometimes-coinciding physical
objects, so the contrast between sums of micro-events and macro-
events likewise yields different but sometimes coinciding events.
Events are entities which have modal features. My trip to
Ohio last year would have taken much longer if I had taken I-80
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instead of the Pennsylvania Turnpike. If we think of that trip as
consisting of a sequence of sub-trips from mile-post to mile-
post, there is the mereological sum of those subtrips. That
mereological sum coincides exactly with my trip to Ohio from I-84
t0 the Merritt, to the Cross Bronx Expressway, to the Tappan Zee,
to I-278. To I 78 to I 81 to I 76 to I 70. However, since
mereological sums are defined by their elements, that sum could
not have included events taking place in Scranton and Wilkes-
Barre, on I-81 along the I-80 route. But my trip to Ohio via I-80
would have passed through Scranton and Wilkes-Barre.
Now of course it is possible to say that this apparent
singular term, “my trip to Ohio” in fact doesn’t refer to a
single entity that could have been otherwise at all, since it is
a definite description, like “the President of the US.” Just as
the President of the US is not an entity that could have had
another person as occupant, it could be argued, so my trip to
Ohio is not an entity that could have consisted of other roads
taken and longer rest stops. Those possibilities are really
alternative trips, just as John Cain is an alternative President,
rather than something this President could have been. So it could
be argued that in fact what we are contemplating are alternative
trips to Ohio, not other ways this trip to Ohio could have been.
So consider an example with a named event which has a
stronger intuitive claim to being something which could have been
different. The Battle of Stalingrad was a major (for humans)
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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large-scale event. “The Battle of Stalingrad” is not a definite
description, since there had been battles there before, notably
after the revolution, and since, while the original focus of the
fighting was in Stalingrad, much of the fighting took place
outside the city, it is not a definite description which refers
to a battle at that city. In addition to the event called “The
Battle of Stalingrad” there also occurred the mereological sum of
the one-second-interval-length events124 that were parts of the
battle125 and took place in the region around and including
Stalingrad in the winter of 1942-43. That mereological sum, like
Fred’s space-time worm, was fixed by the components it in fact
had. Coinciding with but not identical with that mereological
sum, as it happens, is the Battle of Stalingrad. The Battle
could have gone very differently, in detail and in large.
Different explosions could have taken place, different tactical
decisions might have been made, and so forth. The Battle of
124 The component events can be taken to be relative to any “level.” The firing
of a cylinder in a T-34 motor itself, relative to the individual molecules’
motions, could have been different. A particular charge, relative to the
footsteps of the personnel involved could have been different. There may be no
“given” level of basic events from which all others are constructed, but worms
can be made from any kinds of events as long as the mereological sum of them
has the same causes and the same effects as the Battle could have been the
same event, while different.125 “Part of the battle” is somewhat vague. We do not want to include as part
of the Battle of Stalingrad a snowflake drifting down from the sky.
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Stalingrad, having explosions and decisions as parts, was a mixed
compound of mental and physical events.
The worm and the actual Battle have many coinciding parts.
Particular chemical events involving nitrate molecules during
explosions, which could not have gone otherwise, may be parts of
both events. Certainly particular firings of cylinders in a
particular T-34 tank are at least coinciding parts of both
entities. Particular decisions on the part of participants might
be shared. However, some parts of the Battle, particular sub-
battles, are parts only of the Battle, not of the worm. Here is
why:
The Battle of Stalingrad was very large, and had components
that were themselves on a scale that would be vast by the
standards of the Western front. Operatsiya Uran, the Russian
encirclement of Paulhus’ 6th army, involved an estimated
1,100,000 personnel, 804 tanks, 13,400 artillery pieces and over
1,000 aircraft. This component of the battle, which took place
well outside the city, might have gone differently. So, while the
coinciding Operatsiya Uran worm is part of the Battle worm, and
many of its parts are also parts of the Battle, the event
Operatsiya Uran is not part of the Battle worm. It could have
been otherwise, but no part of the Battle worm126 could have been
otherwise.
126 At any level of analysis other than “major sub-operation,” the worm will
not have this encirclement as a component.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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The Battle of Stalingrad, while it is in a sense “nothing
over and above” the space-time worm consisting of the sum of the
sum of the events at each of its moments, has different parts
from that sum because it and its parts have different modal
features. Battles are a kind of event, with their own, admittedly
vague, existence and identity conditions.
Battles are among the few kinds of events that typically
have names. 9/11, Ali-Frazier, wars, the Exodus, the
Resurrection, the Crash of 1929, the South Sea Bubble and others
terms for events are clearly names rather than descriptions.
Whatever kinds of events these were are therefore nameable
entities. So, at least catastrophes, boxing matches, migrations,
miracles, and economic disasters are events such that that very
event could have gone otherwise. Counterfactuals about how other
kinds of events could have occurred should lead us to think that
all sorts of kinds of events have their own identity conditions,
and so are the sorts of things that have to be some ways, but
could have been different in other ways from how they in fact
were. Many events could have been otherwise, and these are very
plausibly alternative ways those very events could have gone.
Further examples may assist the reader in accepting the idea
that events are substance-like in this respect. Consider “John’s
wedding would have been more amusing if he had worn tennis shoes
and couldn’t effectively stomp the glasses.” We are not
speculating about how some other wedding might have gone, but
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about this wedding. Or, consider a basketball game in which a
last-second three-pointer is attempted, but misses, resulting in
a loss by two points. “That game” in “We would have won that game
if Amare had connected on that last three-pointer” obviously
refers to that game, not to another game that would have turned
out to have been played instead.
Kinds of events have essential features. It is impossible
to score a touchdown in a basketball game. Weddings require more
than one organism participating. Earthquakes cannot take place in
empty space. Having essential features, however, does not mean
having exact essential features, any more than it does for
physical objects. Just as it is vague exactly what the limits are
for being a chair when one is dismantled chip by chip or being
the same boat after replacement of planks, so it may be
indeterminable what things could be different about an event
while it was the same event. Some differences, of course, are
clear. If I in fact marry Pam, but might have recruited Joan at
the last minute when Pam came to her senses and realized what she
was getting into, that alteration in the plans would bring about
a different wedding, rather than being another way this wedding
could have gone. Even though I would keep the same venue,
caterer, and string quartet, it would seem that another wedding
had taken place, rather than that one wedding had gone
differently.
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A sorites can be constructed for weddings. There are often
slight delays getting the ceremony under way. If there had been a
delay of a minute, that would seem to be a case where this wedding
which in fact started at 2:00pm, instead started at 2:01pm. But a
wedding that is delayed for a month would seem to be a different
wedding. Clearly, “The wedding of Sam and Pam might have happened
in the late nineties, after they both had had disappointing first
marriages” is talking about a different wedding than the event in
1966, when they were both packing up their stuff after
graduation. How much difference, and what kinds of difference
there must be between one scenario and another for there to be a
different wedding rather than another wedding of the same people
is indeterminate. As we mentioned before, and will discuss in
detail in the chapter on sorites arguments, we should drop
Quine’s dictum “no entity without identity” unless we are willing
to give up the existence of the objects of ordinary life we
cherish—our cars, houses, spouses, and children. With Quine’s
dictum, we would be left with mathematical objects and micro-
particles, at best. For Quine and St. Anthony with their tastes
for desert landscapes this may be acceptable, but for someone
reluctant to abandon organisms and fast cars it is not.
Multiple events can coincide in the way that multiple
physical objects do. If Natty Bumppo alerts the Iroquois by
stepping on a twig, Natty performs two events by one physical
movement, on my account. The two events coincide, in that they
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Introduction page 177
have the same causes and same effects, but that same stepping, if
the Iroquois had been out of earshot, would not have been an
alerting. A condition of being an alerting is that someone is
alerted, but that is not a condition of being a twig-stepping.
So, in a sense, Natty doesn’t have to do two things since doing
one is also doing the other, because the things coincide.
Notice that coinciding for events is sufficient for having
the same causes and the same effects, just as coinciding is
sufficient for two physical objects to be involved in the same
causes and the same effects. Just as whatever happens to Fred
happens to his space-time worm, so whatever brings about some
part of my trip to Ohio brings about the event-worm corresponding
to it as well.
III Analyses of adverbials with multiple coinciding events
Recognizing that pulling a trigger is a different event from
murdering Fred even though there is only one displacement of a
body in space that is both events often complicates analysis.
Single events become multiple events which coincide. Sometimes
adverbial modifiers are true of one coinciding event but not the
other. The great advantage is that apparent counter-examples to
the whole idea of handling adverbial modification by quantifying
over something are handled smoothly.
The simplest cases which illustrate the difference between
my view of events and Davidson’s are sentences using “by.” “By”
phrases generally indicate events which coincide but are not
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identical. We will use such constructions below in our
discussion of Davidson (1970). Consider an example:
“John deeply offended Bill by slowly winking.” On the Davidsonian
analysis, this is quantification over a single event which has
multiple features. Simplifying somewhat by ignoring the
difficulty with the comparative adjectives “deep” and “slow,” the
analysis would be: “There is an event x of which John is the
agent, x is an offending of Bill, x is deep, x is a winking, and
x is slow.” One drawback of this analysis, and a long-standing
criticism, is that the same event can be slow and not slow. Bill
may have quickly taken offence while the wink was slow.
On the multiple coinciding events picture, there are two
events which coincide, one of which is a slow winking, the other
of which is a deep offending of Bill, and the agent of both which
is John. So, in symbols, “ExEy (Agent (x,John)/\Agent(y,John)/\
Coincides (x,y) /\ Winking x /\ Slow x /\ Offending y /\ Deep
y /\ Patient (y,Bill)). “Coinciding” captures the idea that
under one description, a purely physical one whose principle of
individuation is “having the same causes and effects,” John did
only one thing. To regard coinciding events as the same is among
other things to take the physical, non-intentional
characterizations of events as the fundamental items of which
every other characterization is really just another description.
That seems to me to be what Davidson, against his own better
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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judgment elsewhere, for instance in Davidson (1974), is doing in
identifying disparate events.
Notice that the analyses I propose are completely
extensional, although that characterization begs the question, to
a degree. In proposing that there are multiple events rather than
multiple descriptions of the same event, we are preserving
extensionality by multiplying entities. This issue can get
confused, because some predicates of events are intentional. This
is because acting is the propositional attitude “making true”.127
The things that are made true are propositions, which I argue in
Chapter 6 are essentially linguistic.
If John makes it true that he is married to Sheila, then
when that action takes place he is married to Sheila. The
inference from “John made it true that he is married to Sheila”
to “John was married to Sheila” need not be part of logical form,
but can rather be information special to the predicate “makes 127 The following account is adapted from various of Davidson’s remarks. In his
1967 class (see Wheeler 2012), discussing propositional attitudes, he remarked
that you could conceive of the relationship between desire and action as like
the relationship between belief and knowledge. Knowledge has, as it were,
internal and external truth-conditions. Knowledge that p is belief that p that
comes about in the right way from p being true. Doing (intentionally) likewise
has internal and external truth conditions. Doing p is a desire that p
bringing about p being true in the right way. Briefly, we can think of
intentional action as the propositional attitude “makes-true.” The items that
are made true are, as I will argue in Chapter 6, propositions construed as
things said.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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true,” if we decide that verbs of action have the formal
component “makes true.” The same would apply to “knows”
“realizes” and other factives. In Chapter 6 we discuss factives
and the facts that they talk about. Facts will be innocuous.
Davidson is correct to note that the intentional is not a
class of events128.The intentional classifies actions differently
from the classification we get if we treat different events as
different. When John intentionally marries Sheila, that is the
same event, a marrying, as John’s marrying the woman who would
cause him more grief than any other human being. Presumably John
did not intentionally marry the woman who would make him so
miserable. What is intentional and what is not is a division
within kinds of events. Two distinct but coinciding events can be
done intentionally. John may marry Sheila intentionally and
acquire a half-interest in Montague Farm intentionally, that
being the motive for this disastrous marriage. But acquiring a
half-interest in Montague Farm could have been done by a simple
cash transaction, where marrying Sheila could not, given the
American legal system.
IV) The mental, the physical, and innocuous dualism
1) Davidson’s anomalous monism
Davidson famously argued for a view, anomalous monism, that
mental and physical events are identical, but characterized under
predicate systems such that there could be no general systematic
128 Davidson (1978).
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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law-like relation between them. To call a mental event “mental”
means that that event is characterized under a mental
description. That same event also, Davidson argues, has a
physical description, and so is a physical event. There being no
law-like relations between the mental and the physical is a
feature, not of the events themselves, but of the events as
described.
In outline form, Davidson’s argument for the above view is
as follows:
1) There are no law-like relations between mental events and
physical events.
2) There are causal relations between mental events and physical
events.
3) Causal relations between a pair of events require that there
be a description of both events such that a conditional with
those two events as antecedent and consequent is an instance of
an exceptionless law.
4) Only physical laws can cover all items in the world, so the
only exceptionless laws are laws about events under a physical
description.
5) Mental events are identical with physical events.
Let us first establish premise 1): The lack of law-like
relation between these systems of predicates is due to there
being different sets of constraints structuring the assignment of
physical predicates and mental predicates. The constraints on
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mental predicates are what I have called above “the intentional
scheme.” Principles of interpretation, for instance the
maximization principles discussed in Chapter 1, determine which
mental predicates get applied. A proposed interpretation of a
person as deciding to bring about a simple contradiction is
almost ruled out as the possible content of a decision. The
application of physical predicates, on the other hand, is
constrained by principles like the transitivity of physical
comparatives. If we measure three events, and find that the first
measures as having a higher energy output than the second, the
second measures as having a higher energy output than the third,
but the third measures as having a higher energy output than the
first, we do not conclude that transitivity of “has a higher
energy output” has broken down but rather that something is wrong
with our measurements. Our insisting on maximizing consistency of
belief, on the one hand and maintaining transitivity of “has a
higher energy output than” on the other hand, constrain our
applications of mental and physical predicates respectively.
Since these constraints are distinct and unrelated, there is no
reason whatsoever to suppose that they will sort events into
systematically related sets of groups. Thus there will be no
physical predicates that match any mental predicate in a way that
would allow a conditional with a physical predicate as antecedent
and the physical predicate coextensive with the mental predicate
which conditional is an instance of a physical law.
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Of course, given the finitude of human existence, there is a
physical predicate of brain-events that exactly matches the
extension of “decides to buy a 2007 Chevrolet Impala.” That
physical predicate is a very long disjunction of the brain
states, physically described, of all those over human history
while they were deciding to buy that car. However, there is
nothing about this weird predicate that would tell anyone whether
a new brain state was a decision to buy a 2007 Impala or not. The
identity does not support counterfactuals. If there had been
another person deciding to buy a 2007 Impala, there is no reason
to think that the predicate would be true of that person.
Premises 2) and 3) connect this result with the conclusion.
Not being a Berkeleyan, Davidson takes it as obvious that some
physical events cause mental events and that some mental events
cause physical events. Decisions cause physical events and
perception and other physical impacts cause mental events. The
thesis that causal relations require exceptionless laws can be
defended in many ways, but may be stronger than Davidson needs. A
weaker thesis is that the “real cause” of a phenomenon is the
explanation that uses the strongest laws. The strength of a law
is, given an instance of the law, the conditional probability of
the consequent of the instance relative to the truth of its
antecedent. The limit of such conditional probabilities is one,
the exceptionless laws.
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Now, it may happen, and apparently does happen, that the
exceptionless laws do not determine any particular phenomena, but
rather determine exceptionless probability-distributions for such
phenomena. That seems to be the case with quantum mechanics. When
a particle’s position is predicted probabilistically by the
exceptionless law, we need not say that its position is uncaused.
My view, articulated below, is that “cause” is really a
predicate applicable to explanation, which is a relation between
sentences, or descriptions of events. We don’t find the term
“cause” for instance, in the equations of physics.129 What we find
is equations which say how things are and have to be—Laws of
Nature. The laws of quantum physics, and the laws of contemporary
physics generally, are the strongest laws we have. The best
explanations of everything that happens, in principle, would be
explanations in terms of the predicate system of the best
physics. As we noticed earlier, and will dwell on later, the
sorites argument shows that taking this to be a reason to rule
out other causes and other beings rules out not only the medium-
sized objects of our world, but ourselves as well.
Within and between different families of predicates there
are stronger and weaker laws. Physical laws about medium-sized
objects are weak relative to micro-particle laws. Stronger laws
are those that give better explanations. One explanation is
129 This is a point made repeatedly in UCONN departmental colloquia by Scott
Lehmann.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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better than another for a given event just in case the laws that
explanation appeals to assign the event a higher probability.
Premise 4), the ubiquity of the physical predicate system,
is an unargued-for premise. The physical predicate system has a
generality that the intentional system lacks. Every event in the
world has a physical description, but the vast majority of truths
about the world are not truths about agents and their mental
events and states, so are not expressible in mental terms, except
trivially.130 The intentional system’s event predicates are only
true of rational agents and their effects. Mental events, because
they are sometimes caused by and cause events that are out of
their domain, necessarily have weaker laws. However close the
relation between one thought and another, an intervening
explosion in the vicinity of the thinker will break that
connection.
So, the intentional system’s predicates have weaker laws
than the physical system’s predicates. By premises 3) and 4), any
causal relations between mental and physical events must be
instances of exceptionless laws. Thus, the mental events must
also have physical descriptions, under which a conditional with
the causing item being the antecedent and the caused item the
consequent is an instance of an exceptionless law. So mental
events are physical events.
130 “If Fred believes p, Fred is right” makes everything mental.
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It should be clear how my view differs. If the condition for
causal relations is that if A causes B, then some description of
some event coinciding with A is the antecedent of a conditional
of which some description of some event coinciding with B is the
consequent is an instance of a law, then, while almost everything
Davidson argues is true, the conclusion about identity does not
follow. Briefly, if the requirement for causal relations is
coincidence rather than identity, then are really two kinds of
events here. Dualism is correct.
Now, it is difficult to read Davidson’s (1970) not get the
impression that, at bottom, Davidson thinks that what is really
going on are the physical events, and that the mental events are
really just a necessary but less ontologically illuminating
perspective on them. That is, Davidson’s view sounds very much
like that of Daniel Dennett (1968) that the intentional scheme is
just another way of talking about the physical world.
One way to see that there is a real problem in Davidson’s
view is to bear in mind his remark that sameness is always
relative to predicates. If mental events are just physical events
differently described, Davidson must suppose that there is a
domain of events which can be described either with mental or
with physical predicates. But some predicates or others must
provide the sameness for such a domain of entities that underlie
both the mental and the physical. So, the picture in Davidson
(1970) is very much like the picture he criticizes in Davidson
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(1974). There Davidson argues that it is a mistake, the “third
dogma of empiricism,” to think of the world as a given domain of
objects to be sorted by predicate systems. If that is the case,
then it is another instance of the third dogma to think of the
mental and the physical as two sets of descriptions either of
physical events or of neutral “given” events.
On the neo-Davidsonian view I propose, Davidson should have
said something like the above about Tom’s decision to marry
Allison in relation to coinciding brain events as we say about
Tom himself in relation to the coinciding worm. That very
deciding event, that single entity, could have been slightly
longer, could have involved slightly different guesses about
Allison’s wealth, and so forth. These possibilities are not
possibilities of the brain event that coincides with the
decision. Brain events have different principles of individuation
and persistence. That is, different modal predicates are true of
brain events and mental events. So, the mental event is not
identical with the brain event, even though mental events
supervene on physical events.
From the present perspective, Davidson’s arguments against
psycho-physical laws are converted to arguments that mental
events have different modal features and different components
from the brain events that coincide with them. So mental events
are distinct events. Every part of a mental event is a mental
event, just as every part of a physical event is a physical
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event. Tom’s deciding to marry Allison has components such as his
weighing her wealth, weighing her beauty, and so forth, each of
which could have been longer, could have involved other thoughts
about her monopolizing the bathroom in the morning that did not
occur to him but could have. Given that the conditions for when
the corresponding brain events would have been the same
individual brain events are different from the conditions for
when a given individual decision or realization, or components
thereof, would have been the same or a different decision or
realization, as Davidson’s arguments about the impossibility of
psycho-physical laws seem to show, brain events are different
from physical events.
So my proposal is a dualism. But it is a dualism of the same
sort as the dualism of statues and lumps, or battles and battle-
worms. The dualism is trivial rather than metaphysical. Non-
trivial monism and dualism only make sense given a monistic
conception of ontology. If beings are posits which allow us to
think about the world, then the dualism of the mental and the
physical is innocuous.
So perhaps the question arises as to why Davidson did not in
fact adopt this view. My hypothesis is that Davidson retains some
Quinean scientism in endorsing anomalous monism rather than
innocuous dualism. Everything he says in “On the Very Idea of a
Conceptual Scheme” (Davidson 1974) should lead him to reject the
metaphysical primacy of the physical. His idea that any array of
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objects already presupposes conceptualization might have
indicated to him that he was committed to a version relative
essentialism.
d) The Grain of Events
Davidson’s analyses of adverbials and causal sentences in
terms of events, as we noted, treats events as entities to be
quantified over in extensional contexts. However, there are some
difficulties with the idea that events are always the same
entities that are just re-described in these analyses. When an
agent does something by doing something else, and there is only a
single action, there is also, according to Davidson, a single
event. The sequence of “by” clauses in “Susan murdered Fred by
firing the gun by pulling the trigger” must refer to a single
event--when Susan pulls the trigger, she also fires the gun and
murders Fred. Davidson is forced to say that Susan’s pulling the
trigger is the same event as her murdering Fred. But the trigger-
pulling might have been non-fatal, whereas the murdering could
not have been a murdering while being non-fatal. Also, it seems
that the murdering takes more time than the pulling of the
trigger, and is not completed until Fred dies, whereas pulling
the trigger is over in a fraction of a second. In an already-used
example, Natty Bumppo both steps on a twig and alerts the
Iroquois. It seems clear that these are two different things done
by the same physical movement, neither of them intentional, in
this case.
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Such considerations lead to theories according to which
events are entities like propositions and properties, and have
“grain,” either fine or coarse. Various constructions have been
proposed out of properties, times, and subjects to be what
properties really are. The present account accommodates
intuitions that alerting is a different event from stepping on a
twig while remaining extensional. When we give the logical form
of a sentence with adverbial prepositional clauses, the result is
exactly the same as in Davidson’s analyses. It is the same
individual event that is being characterized in various ways.
The difference will show up in sentences about actions and
their consequences. Sometimes, when the consequences are really
(according to me) the same event described differently, the
analysis will be the same as Davidson’s. When Susan pulls the
trigger, Susan does what Roy Roger’s did when confronting bad
guys. So, substitution preserves truth, since both descriptions
are descriptions of the same kind of act, pulling a trigger.
But when Susan pulls the trigger, one of the things she does
is what Cain did to Abel, but another thing she did is not. Cain
presumably used some other device than a firearm to murder Abel.
Some of what Davidson regards as redescriptions are indeed
redescriptions; others are descriptions of different events. In
particular, in most if not all cases where one thing is done by
doing something else, multiple events are done by a single
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motion. When Natty alerts the Iroquois by stepping on a twig,
there are two things he does, neither intentional.
These different things Natty does coincide, in the sense
that they have the same causes and the same effects, given that
we include the event itself as among the effects of that event.
That is, when Susan pulls the trigger, she also murders Fred.
Pulling the trigger includes among its effects Fred’s death.
Murdering Fred, on the other hand, directly includes Fred’s
death.
Notice that the definition of coincidence as having the same
causes and same effects is the same as Davidson’s definition of
“same event.” So, the effect of discriminating events by
different modal features captures the intuitions about the
distinctness of pulling a trigger from murdering and of stepping
on a twig from alerting. However, there is no departure from
extensionality. The tightening of conditions for substitution of
terms is only apparent. Co-referential terms are still
intersubstitutable preserving truth; it is just that which terms
are co-referential is conceived differently.
This is not the same at all as treating events as having
properties as components, and will generally give different
results. Carrying out a famous Davidsonian action is a different
property from buttering bread, but it is not another kind of
event. Events have accidental features as well as essential
features. Just as the statue and the mass of bronze both have the
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same location, because location is an accident of each of them,
so the stepping and the alerting are both reported in the
Colonial Gazette.
e) Events, states, and causes
One worry about the Davidsonian analysis of adverbial
expressions as quantifications over events is that there seems to
be no end to replacing predicates that are apparently predicates
of physical objects with predicates of events. Consider the
analysis of “John buttered some toast with a knife” as “Ee(Be /\
Agent(John, e)/\ Ex(Toast x /\ Object(x, e) /\Ey (Knife y /\
With(y,e).” The worry would be that being toast is an enduring
state of bread and being a knife is an enduring state of a knife.
Enduring states may appear to be rather quiet events.
Furthermore, events themselves seem to have states. The battle
may be in a state of relative quiescence, for instance.
There is a large difference, though, between states and
events. States are states of individuals, whereas events happen
to individuals. The same verb may in some aspects refer to an
event, and in other aspects refer to a property of an object.
Roughly speaking, verb forms with imperfective aspect refer to
events. On the other hand, verb forms with perfective aspect
refer to states, in effect properties of the objects involved in
the event the verb describes. So there is a difference between
“John kisses Susan” and “Susan has been kissed by John.” The
kissing is an event, which takes time. Having been kissed by John
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is a state of Susan which endures as long as Susan does, well
past the kiss.
Having been kissed by John, of course has something to do
with a kissing event of which John is the agent. “Has been kissed
by John” is an open sentence true of Susan which determines a
property. The state of having been kissed by John is an entity,
but an entity very much like a property. Properties are discussed
in Chapter 6. It is true that, for every event a that happens to
any object b, there is a temporary state of that object,
“undergoing a.” But being such that one is undergoing a is
different from being a. The close relation between events and the
corresponding states of the objects involved in them seems to
have led to a mistaken identification.
So, in logical form, predicates are generally true of the
objects they seem to be true of. Being a frog is not an event,
but a state. Just as we could paraphrase “Joe is a frog” as “Joe
has the property of being a frog,” so we could also paraphrase
“Joe is a frog” as “Joe is in the state of being a frog.” In
Chapter 6, we show how such paraphrase is innocuous.
f) Causes
Davidson famously held that only events are causes. A
difficulty often pointed out is that “The fact that the building
was full of flammable materials caused the fire to spread
quickly” seems true. Davidson, since he has a convincing argument
that facts are not truth-makers, rejects facts as causes. Since
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“The building’s being full of flammable material caused the fire
to spread quickly” seems fine, there is also a reason to
assimilate states to events, given the assumption that states are
some kind of slow happening.
As I will argue in Chapter 6, facts are innocuous states of
the world. States, as I will argue in Chapter 6, are properties
of individuals. So, facts and states are entities that can be
quantified over. I argue that both states and facts are
constructed from sentences, and so are intensional entities. So,
Davidson’s analysis of causal sentences as two-place predications
works perfectly well when more kinds of entities are allowed to
enter the relation. My view is that Davidson’s basic insight,
that causal sentences are quantifications over some kind of
object, is untouched by expanding the entities that can be
quantified over to facts and states of objects. Davidson’s basic
idea, that “cause” is a two-place relation, can be preserved.
Furthermore, “because” sentences, which seem to be intensional
contexts, will turn out to be perfectly fine, because they are
relational predications some of the relata of which may be
intensional entities. In Chapter 6, once I have set out how a
Davidsonian can accommodate properties and facts, I will return
to this topic and show how Davidson’s idea works with
uncontroversial and innocuous intensional entities, propositions
and facts.
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The view here conflicts with the idea that causation is the
“Cement of the Universe.”131 If one were a monistic realist, the
idea that a central metaphysical relation could be so
promiscuous, involving sometimes events, sometimes pairs of
abstract object such as facts and events, sometimes states and
facts and events, would be quite incredible. I do not think that
“cause” is the cement of the universe. If we look to physics, for
instance, as the natural science with the most rigorous and
precise laws, we find no mention of “cause” whatsoever.132 What we
find are equations, which can be forced into universally
quantified conditionals. These conditionals, if true, are laws of
nature.
How does the necessitation by laws of nature occur without
“is a cause” being part of physics? For a Davidsonian, the answer
will turn out to be straightforward. “Is a law” is a predicate of
propositions. It is a necessary truth that for all propositions
x, if “is a law” is true of x, then x is true. Only if necessity
requires some analysis beyond the disquotational “necessarily a”
is true if and only if it is necessary that a, will appeal to
some extra ingredient, causation, be required in order to
understand the remark. The next chapter will give a Davidsonian
131 The phrase is of course borrowed from John Mackie’s excellent (1980). 132 My colleague Scott Lehmann has urged this point in departmental colloquia
many times.
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analysis of modalities according to which “is necessary” is
treated as a primitive predicate of propositions.
f) Events and Substances
Part of the resistance to an ontology of events comes from
the fact that they are not substances, intuitively. Technically,
if they have essential features and accidental ones, as I have
argued, they are substances in Aristotle’s sense. But Aristotle,
along with many later thinkers, takes continuing physical objects
to be ontologically basic. If one had to choose one kind of
object to be primary objects, perhaps Aristotle’s is the right
choice. When someone asks “What exists?,” medium-sized physical
objects, especially organisms, are the first to spring to mind.
Other candidates, such as Plato’s choice, numbers, and the
Ionians’ choices, various kinds of stuff, would be acknowledged
to exist, but would not be the obvious choice of examples of
beings.133
Aristotle was puzzled how it could be that so many diverse
kinds of thing were all correctly called “beings,” things that
are. Aristotle observes that if “is a being” is a single nature
things have, you would get Parmenides’ result that what is is
one. Aristotle’s solution to the apparent problem of multiple
homonymy is his famous “focal meaning” account, according to
133 This description of Aristotle in relation to Plato and the Ionians is
borrowed from a Richard Rorty handout in the late 1960s entitled “Substances
and Substrata,” which I cannot find in any bibliography of his published work.
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which being substance is the primary sense of being and other
things said to be are said to be in virtue of some relation to
substance. So, Aristotle is able to saying that “is a being” does
after all have an extension, namely the substances.
Aristotle and many others engaged in metaphysics134 thus take
events to be something to be analyzed in terms of the possession
of a property by a substance or substances for a time, or other
constructions which make physical objects basic. It is true that
very often, at least, there will be a sentence about physical
substances which will “say the same thing” as a sentence about
events. “Saying the same thing” for many purposes says little
about the ontology, unless there is a reason to have less
ontology.
Quine’s idea, that to be is to be the value of a variable,135
I take to be a version of the view of this book, that beings are
posits necessary for a recursive syntax and semantics for
thinkers who can make formal inferences that depend on sub-
sentential structure. From Quine’s point of view, as I understand
it, beings are not given, but are rather posited to allow us to
think with a recursive syntax and semantics. We have to have
singular terms and predicates in order to think and speak with a
134 Jonathan Bennett’s wonderful book, Events, presents a theory that in many
ways, except for its assumption of monistic realism, agrees with the views
presented here.135 Quine (1948), page 15.
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recursive syntax and semantics which can discern logical
relations that depend on sub-sentential structure. In order to do
so, we posit beings. Since Quine is wedded to the idea of a kind
of primacy for natural science, the posits he takes most
seriously are the ones that lend themselves to scientific
purposes. Without such scientism, recognizing that different
posits need not get in one another’s way, we can recognize that
humans posit many kinds of beings, some useful for some purposes,
some useful for other purposes.
Chapter 5 Modals and Conditionals
I What is the problem with modaIs?
This chapter and the next three chapters illustrate how
Davidson’s basic semantics of predication, combined with various
other views of his, dissolve or solve metaphysical questions.
This chapter, on modals and conditionals, applies Davidson’s
analysis of indirect discourse, together with his conception of
what a semantics is as opposed to what a theory of a subject
matter is, to the semantics of modality. As it happens, a
Davidsonian account of modality requires a Davidsonian account of
conditionals. The account of conditionals developed in the
present chapter differs quite a bit from anything Davidson ever
said.136
136 Davidson’s view of conditionals in 1967 (Wheeler 2012) was that they are
truth-functions, following Grice’s ideas. I do not believe he ever changed his
mind. The deviations from apparent truth-functionality would be explained by
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That there is a Davidsonian account of modality is quite
central to the project of this book, since we have helped
ourselves to lots of modal constructions in characterizing
relative essentialism. This free use of modal notions supposes
that modal notions are not a special problem for a Davidsonian.
My project in this chapter is to present the outlines of an
account of modal sentences that conforms to the principles of
Davidsonian semantics and accommodates the data at least as well
as other semantic theories. While a thorough account of the
intricacies of modal constructions in English is well beyond the
scope of this chapter, the outlines of how a Davidsonian account
would go will at least cover some basic modal predicates and show
how the theory works.
Davidson himself only indirectly dealt with the semantics of
modality. Davidson (1968) suggested that his idea that “that” is
a demonstrative pointing to an utterance that is not strictly
part of the sentence generalizes to psychological verbs, but did
not even mention modalities. Davidson (1970b) showed how “ought”
is akin to “probably.” Once again, even though ethical words,
“good,” “right,” and “ought” are among the examples of concepts
whose logical grammar must be understood before any worthwhile
philosophical analysis is possible in Davidson (1967) no further
development of an account of “ought” occurs in Davidson’s
interpretation. As I argue below, that almost works, but not quite.
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writing. Chapters 9 and 10 fill out one way a Davidsonian could
proceed.
This chapter will pursue Davidson’s suggestions in Davidson
(1968) and (1970b) and develop a Davidsonian account of
modalities, including “ought.” The last two chapters of this
book, on Davidsonian ethics, will show how Davidson’s insight
about “ought,” combined with his conception of interpretation,
yields the outlines of an ethical theory.
Modality is one area where most semantical theories
typically go far beyond truth-preserving recursive disquotation.
It is also an area where some metaphysicians have appealed to
very exotic entities. Why this is the case seems to go rather far
back in the history of modern philosophy.
The empiricists, especially David Hume, worked out the
consequences of the view that everything we know is based either
on sense-perceptions or on the analysis of concepts. Among other
things, necessity and possibility, briefly, do not have
corresponding sense impressions. Thus since we do not sense such
connections, such connections were not part of the given from
which we construct knowledge of the world. The dominant tradition
in analytic philosophy follows a basically Humean empiricism,
that there are no necessary connections between distinct
existences. For much of the twentieth century, analytic
philosophers conceived of concept formation as operating on a
given domain of objects of some kind, so that a system of
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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concepts was a kind of sorting into groups of this given domain.
There were alternatives, but the evidential basis was the same
for all conceptual schemes. Necessity and possibility were no
part of this given. Thus necessity and possibility were suspect
notions—some special analysis was needed, either in terms of
conceptual containment137 or by a semantics that would treat the
special relationships of modal concepts as falling out of
quantification over possible worlds.
For a Davidsonian, there is no reason to treat modal
concepts any differently from others, except for the fact that
they create non-extensional contexts. Non-extensionality is the
only puzzle about logical form. Davidson (1974) rejects the
conception of a “given” domain of objects. Without a given, there
is no reason to treat necessity and possibility differently from
other predicates, as long as there is something for them to be
true of. Given an ontology of Fregean senses, for instance, “is
necessary” might be just a predicate of such senses.138 The
semantics would demand nothing else, since there is no special
mystery about necessity not being among the given data, since
nothing is among the given data.
137 For instance, Carnap’s (1947), which treats conceptual containment as
linguistic containment.138 This was not Frege’s view of necessity, but the position is available to
someone with his ontology.
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Kant (1781) tried to ground necessity as epistemological by
analyzing necessities as impositions of the mind. In a way, the
relative essentialism of Chapter 3 is a continuation of the
Kantian strategy. Most of the early twentieth century analytic
philosophers until 1970 followed Kant insofar as they accepted
the idea that modal truths depended on humans and their thought
and language rather than a feature of the world itself. The
majority view was that necessity was analyticity, if anything.
However, once the rediscovery of Aristotelian essentialism
gathered steam after 1970 with Kripke’s (1980), it still seemed
to philosophers that some kind of special formal analysis of
modality was required. Even though it was now respectable to
treat necessity and possibility as features of the world,
modality was somehow still suspect, requiring some special
reduction to something more acceptable.
II Possible worlds
Since the 1950s, a number of philosophers constructed
theories of various modalities, especially necessity and
possibility, noting the strong analogy between the pair
“possible” and “necessary” and the pair “some” and “all.”139
139 Notice that, for my kind of Davidsonian, the relationship between “all” and “some” is part of theory, not of logical form. A theory of thetruth-conditions of modal predicates will of course take note of the resemblances among the all/some pair, the obligatory/permitted pair, and the necessary/possible pair.
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Modalities could be construed as quantifications over possible
worlds. Given that possible worlds are some kind of beings, this
would treat modalities extensionally. This idea of possible
worlds goes back to Leibniz, the idea of quantifying over them
had been part of Carnap’s (1947), and has been vigorously pursued
ever since.
The project among philosophers of language and
metaphysicians has been to construct an account of modality that
analyzes modal sentences as some kind of complex non-modal
quantification over possible worlds. Roughly, what has to be or
could be is some kind of construction out of what merely is.
Most, like Stalnaker (2003), treat the construction as a kind of
heuristic device, and do not think that the construction is a
reduction at all. I am happy to understand such analyses as
heuristic devices which illuminate what it takes for modal
predicates to apply to a proposition or to relate two
propositions.
Others take the philosophical project to be an ontological
reduction of what must be to what is. The lesson from Aristotle
that the notion of being can be no more basic than that of
necessity seems to be forgotten. To suppose that being a being is
clear whereas being necessary is obscure forgets that any beings
that can be counted require a principle of individuation, and
thus a distinction between what they can be and what they cannot
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be. In the long footnote below,140 I argue that both David Lewis
and David Armstrong, who have two very different ways of trying
to understand modalities without appealing to primitive modality,
in fact fail to reduce modality to what merely is. In fact, both
are committed to Aristotelian essentialism as an explanation of a
modal truth about at least one kind of entity.140? Lewis (1986) and Armstrong (1989) both accept Hume’s Principle, that there are no necessary connections between distinct existences. This means that anything can go with anything, and that essential connections cannot be primitive. Briefly, Lewis treats possible worldsas mereological sums of beings and Armstrong explains possibility as recombination of beings that are. For Armstrong, the fundamental kindsof beings are particulars, universals, and facts that are the result of particulars instantiating universals. As it happens, Armstrong and Lewis are already committed to primitive modalities. In Armstrong’s case, “is a particular” and “is a universal” determine important modal truths about particulars and universals, the features without which the entities would not be what they are. Only a particular can be an instance of a universal; only a universal can have instances. These are necessities about particulars and universals. Armstrong has two basic kinds of substances, in Aristotle’s terms. But the natures of universals and particulars whichaccount for these modal characteristics require special treatment. Particulars by their very nature can instantiate universals but cannotbe instantiated. Symmetric necessities hold about universals. These necessities cannot be explained by possibilities of re-arranginguniversals and particulars. No recombination seems applicable. So, thetruth-maker for “a is necessarily a particular, not a universal,” mustbe the particular a itself. This is exactly what Aristotle says about every substance-determiner. Aristotle just adopts that theory of truth-making for every substance-constituting nature. Lewis avails himself of necessities about the part-whole relation, butthose could perhaps be construed as part of logic, and are certainly not independent existences. Lewis most telling appeal to necessity that cannot be understood by appeal to possible worlds is in his account of sets. A set is a distinct existence from its members. Lewis’ set theory (1991) limits set-abstraction to unit sets and their
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Theories quantifying over possible worlds, construed as
proposals about the semantics of modal sentences, have spawned a
variety of proposals for the semantics of various constructions,
yielding deontic logics, alethic logics, temporal logics, et al.
What the target sentences have in common is an apparent breakdown
in extensionality. On the Davidsonian141 view I propose, these
“logics” are theories about the extensions of modal and other
predicates. They are not part of the semantics at all, any more
than biological science is part of the semantics of “horse” and
elements. Sets and elements must be independent existences in order todistinguish sets from mereological sums. Lewis must posit a necessary bond between a unit set and the entity of which it is the unit set. There is no possibility of explaining this necessity in terms of possible worlds, since the sets of most interest are the sets he identifies with properties, which have elements in many possible worlds. Lewis himself characterizes the bond between a unit set and its element as “mysterious” (Lewis 1991, chapter 2). A necessary feature, in fact an entity-constituting feature, of each singleton is that it is the singleton of the entity of which it is the singleton. Likewise, a necessary feature of every entity is that it bears the membership relation to its singleton. Singletons are strange substances, perhaps, but substances none the less. Individuals actually have haecceities, in the sense that there is a feature each of them has, namely having this entity as their unit set that no otherindividual has. In short, Lewis and Armstrong fail to reduce modality to brute fact and fail to eliminate Aristotelian appeal to natures as the basis of necessity. At least some of their beings have Aristotelian essences. Their accomplishment is to reduce modality to a very few kinds of instances of primitive modality and a lot of ontological equipment.
141 Davidson (1967) page 32, as well as his remarks in class in 1967 (Wheeler
2012) are the source of my view of “logics.”
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“plankton.” On the conception of the modalities I will defend,
modals are predicates of “things said,” or propositions, about
which much more below in Chapter 6.
Since the opposing view of the vast majority is that modals
are quantifications, perhaps we can step back a moment and
consider what modal words seem intuitively to be. Many modals
seem to be basically adjectives, with, of course, adverbial and
nominal forms. “Necessary” does not seem to be characterizing a
quantity of anything. “Probability” seems to be a quantity of which
there can be more or less. We have “necessary,” “necessarily,”
and “necessity.” Many modals seem to have comparatives. “More
likely than not, we will have snow this winter,” “We are much
more likely to have snow in January than in July,” and the like.
One is tempted to treat modals as a special case of comparative
adjectives, as discussed in Chapter 9 below.142 I succumb to that
temptation below.
A further difficulty with treating possible worlds as the
entities over which we quantify in understanding modals is Lewis’
(1986) argument that only his realist conception of possible
worlds as concrete can do justice to modal intuitions without
appealing to modality as primitive. I find his argument 142 Of course, quantifiers are also adjectives, many of which have
comparatives, so nothing rules out the possibility that the modal adjectives
are really quantifiers true of sets of possible worlds. But the possibility
should occur to us that less exciting entities may be the objects to which
these predicates apply.
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persuasive. I also find his conception of possible worlds
impossible to believe. Therefore, an assignment of logical form
that treats modals as predications and accepts that “necessary”
is as primitive as “exists” deserves at least a try.
III Parataxis
Of the constructions in which extensionality fails, such as
psychological verbs and modals, the least problematic is
quotation. In quotation, it is clear that one is talking about
words as opposed to what words designate. Thus, of course, it is
not substitution of co-referential terms when one substitutes
“The square root of twenty-five” for “five” in “`Five’ has four
letters.” A naturalistically-inclined philosopher would be
attracted, as Carnap (1947 and 1937) was, to the idea of a
linguistic version of Frege’s conception of a reference-shift to
explain substitution-failure. That is, one could explain why
substitution of co-referential terms does not preserve truth-
value by positing a reference-shift to something linguistic
rather than to an exotic abstract entity like a Fregean sense.
The fundamental difficulty with such theories is that, if the
quotation or simulacrum of quotation in fact does its job by
referring to a linguistic item, the sentence would appear to be
talking about a linguistic item. But sentences about necessity
and belief do not seem to be talking about language at all.
Church’s (1950) translation objection raised this question
about a sophisticated version of this linguistic approach to
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belief-contexts, Carnap’s (1947) account. Carnap needed to
accommodate the fact that a person can believe one of a pair of
logically equivalents and not believe the other. So, “Galileo
believed that the Earth moves” became “Galileo accepted a
sentence in some language L intensionally isomorphic to `The
Earth moves’ as an English sentence.” Church’s objection,
briefly, was that the translation of the analysis of the belief-
sentence into another language would carry along the translation
of that specification of the language relative to which the signs
were to be interpreted. That is, since “ `The Earth moves’ as an
English sentence” refers to an English sentence, and translation
at least preserves reference, the translation into Italian would
also refer to the English sentence. But it does not.
a) “On Saying That”
Davidson (1968) proposed a semantics for non-extensional
contexts that retains the idea that non-extensional contexts are
to be understood in terms of the linguistic while avoiding the
Church translation objection. Davidson also avoids the ad hoc
device of postulating that certain sentential contexts bring
about systematic shifts of reference. This second desideratum he
called “semantic innocence,” (1968, p.68) by which he means that,
prima facie, we should let words mean what they usually mean.
Davidson’s account invokes interpreted linguistic items, but these
interpretations of linguistic items are not parts of the sentence
for which the semantics is being given. Thus the translation into
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another language need not contain names of those linguistic
items. A further difference from Carnap is that the linguistic
items are not conceived of as sequences of marks which have
meaning only relative to an interpretation, but as speech- or
writing-acts, which have a particular speaker or writing at a
particular time, and so come with a meaning.
Davidson’s idea is to treat the “that” in “Galileo said that
the earth moves” as a demonstrative, so that the analysis would
be, “Galileo said that. The earth moves.” “The earth moves” is a
sentence with truth-conditions presented by the speaker for a
particular purpose, that is, to present what it is that Galileo
said. The speaker is neither endorsing nor not endorsing the
sentence.
The idea in Davidson’s (1968) is akin to Davidson’s (1967)
thesis about truth-conditions generated by a well-founded truth-
theory giving the meaning of sentences. Davidson (1967) needs no
ontology of meanings, but rather specifies the two-place
predicate “means.” In the same way, there is no entity which is
the content of an utterance, but what the utterance says can be
demonstrated by producing an utterance that says the same, that
is, an acceptable interpretation of the utterance. Another way of
putting this is that the “that” clause, “that the Earth moves”
does not refer at all, because it is not a constituent, just as “the
present king of France” is not a constituent of “The present king
of France is bald” according to Russell. Yet another way to put
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this: The “content” of the “that”-clause is no more a semantic
constituent of the sentence than my facial grimace is of “When
Fred tasted her Tofu Broccoli Surprise he went like that.”
What does it take for “the earth moves” to be what Galileo
said? Davidson supposes a relation between utterances he calls
“samesaying” that holds, in this case, between utterances. Two
people are samesayers if their utterances say the same thing. The
“things” are just the utterances and inscription-acts that are
bound by the samesaying relation. Samesaying is supposed to
capture something like the following: A’s and B’s utterances a
and b make A and B samesayers just in case a is a good
interpretation of b by A.
There are several things to note about saying what another
person said:
First, it is vague how close the match of truth-conditions
has to be. In many circumstances, an interpretation presented
need not even have the same truth-conditions as the actual
utterance being interpreted. If Fred says, “I’m going to drive to
Willimantic this afternoon” and I tell Bill “Fred said he would
be in Willimantic before evening,” I have correctly reported what
Fred said, even though some ways of being in Willimantic before
evening do not involve driving. “Before evening” would be true if
Fred arrived in the morning.
It is indeterminable exactly which things I utter say the
same as what another person said or wrote. In the same way, and
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for the same reason, it is indeterminable whether two people have
exactly the same belief, and indeterminable whether one property
is the same as another. As we will examine in the case of
property-identity, the conditions that might be specified for
saying the same thing parallel conditions that have been proposed
for identity of properties.
Some contexts indeed require something close to citing the
exact words of Fred, except for replacing his demonstratives with
yours. If Fred said “I’m going to kill Susan,” then when I am on
the witness stand, I cannot say “Fred said he was very angry at
Susan” but I should say “Fred said that he was going to kill
Susan.”
Second, as the above example makes clear, the
interpretations that are given as what a person said are not
translations, but interpretations. We reporters say the same thing by
saying what Fred said from our point of view, as it were,
changing the demonstratives to say the same thing from our
position. So, the references of demonstratives and pronouns are
shifted, as well as tenses. Fred’s utterance was made at a
particular time and place. The reporter’s time and place may be
quite different. To say the same thing, the demonstratives Fred
used have to be replaced by demonstratives that demonstrate the
same things from where and when and who the reporter is.
Third, there is no problem with demonstratives that contain
other demonstrations, once one bears in mind how tenses and
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references of demonstratives shift from context to context.
Imagine a scenario where I am reenacting, for the entertainment
of Fred’s detractors, Fred’s surprise at seeing the new façade of
Manchester Hall. In front of the building, I start out saying “He
went, like…” I step back, as if stunned, and say, “Holy cow,
that’s a disaster!” indicating the façade. My demonstration was a
demonstration of a demonstration. The interpretation of my
performance could be something like “Sam said that Fred said that
the renovation was aesthetically unsatisfying.”
Fourth, the overt demonstrative is optional. “John said he
would be here” is only stylistically different from “John said
that he would be here.” Many applications of Davidson’s idea that
I make in other chapters have no overt demonstrative. In
particular, the applications of Davidson’s idea in Chapter 9,
which deals with words like “good,” which create intentional
contexts, involve no overt demonstrative.
It is important that the notion of samesaying is not part of
the semantics, but rather part of the explication or theory of
the application of the predicate “says.” For someone to say an
utterance that is correctly presented by the that-clause,
samesaying has to obtain between the utterance and the content of
the that-clause. In the same way, it is not part of the semantics
of “run” that if “John runs” is true, then “John moves” is true.
Davidson’s account of indirect discourse has been attacked
on many fronts. Some of these objections seem to me to rest on
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misapprehensions about what “samesaying” is. What we have
observed above, that indirect discourse changes demonstratives
and temporal indices, is raised as an objection to the theory. If
“the same thing said” is taken to be “the same words, translated”
then the objection would be good. But Davidson is talking about
utterances, not sentence-types. And he is talking about
interpretation, not translation. Others seem to be the result of
lack of imagination. Lepore and Ludwig’s (2007) Chapter 11
catalogs the objections and responds to them in ways I endorse
with only trivial reservations. Blair (2003) is a book-length
defense of Davidson’s basic idea.
Ian Rumfitt’s (1993) suggests some modifications of
Davidson’s ideas to accommodate some apparent difficulties. One
of these suggestions is that we not focus on Davidson’s
suggestion that “that” in the complementizer position is really
the same word as “that” the demonstrative. If the theory is to be
a general account of indirect discourse, modals, and
propositional attitudes, it has to generalize beyond English. As
Schiffer (1987, page 125) points out, other languages have
different words in the two roles. The view has to be, rather that
“that” in the “complementizer” position just is a demonstrative,
and that “que” in French is likewise a demonstrative.
Another of Rumfitt’s suggestions is that what Davidson needs
is something like interpreted logical forms as demonstrated
objects. Otherwise, ambiguous sentences, such as “John said the
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shooting of the hunters was atrocious” will not convey any
particular thing that was said. That is, Rumfitt’s suggestion is
that the demonstration must be to something more fine-grained
than utterances as strings of words, since such strings can
correspond to more than one thing said.
I think this suggestion overlooks a distinction between
“says that” and other applications of Davidson’s ideas. It makes
perfect sense to say “John said that his daughter goes to a
pretty little girls’ school, but I’m not sure what he meant,”
whereas it makes no sense to say “John believes that his daughter
goes to a pretty little girls’ school, but I’m not sure what he
believes. Propositional attitudes and modalities indeed require
that one’s demonstrated utterance be interpreted in the logical
form in which it is meant. When one is reported speech, however,
there are at least two ways one can be understood: One could mean
to be reporting the intended meaning of what is said, which is to
treat “said that” as exactly like “believes that,” or one could
be reporting, in one’s own words, the actual speech production.
Indirect discourse has a kind of ambiguity that other
applications of Davidson’s idea lack. When one reports a belief,
one’s utterance has to be understood as one meant it, in order to
be reporting a single belief. What someone said, though, can be
understood as either their actual words, or their words as used,
that is, with a particular logical form. “Things said” that are
objects of attitudes and subjects of modal predicates are
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sentences as meant, that is sentences with their logical forms. A
sentence is only used when it has a particular logical form.
So, there are several possible things said by an utterance
of a sentence such as “My daughter attends a pretty little girls’
school.” I can say”John said that his daughter goes to a pretty
little girls’ school, but I don’t know what he meant.”
b) Generalization of Davidson’s idea
Davidson (1968) is an account of indirect discourse. I will
make three generalizations of Davidson’s idea. The first, which
he briefly mentioned in Davidson (1968), is to other categories
of intensional propositional containment. The generalization to
modalities will be the focus of this chapter. The extension to
psychological verbs and mixed cases of verbs whose truth-
conditions involve both psychological states and states of the
world, such as knowledge and action, is a topic this book will
not explore, but the general idea of how that project would be
pursued should be evident.
The second generalization of Davidson’s idea is to extend
the objects of demonstrations to open sentences and other sub-
sentential things that can be said rather than just clauses with
truth-values.143 There are failures of extensionality which do not
involve clausal complements. This can happen in ways that are
143 Rumfitt (1993) suggests this as a way of accommodating quantification into
indirect discourse. The idea has much broader application, as we will see.
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really quotation. Quine’s example was “Giorgione was so called
because of his size.” In this sentence, “Giorgione” is being both
used and mentioned. Chapter 9 on “good” and other comparative
adjectives uses demonstration of things said that are not
quotation-like, but rather like indirect discourse. This
extension will account for the apparent intensionality of “good,”
“expert” and “skillful,” for instance, to be discussed in Chapter
9.
As Rumfitt notes, this second generalization addresses one
of the oft-cited objections to Davidson’s paratactic account of
indirect discourse and is worth some elaboration, since it gives
a Davidsonian an account of quantifying into belief contexts. The
sentence, “Every boy said he would eventually get married”
appears to be a difficulty for this demonstrative account. If
open sentences are among the things said that can be
demonstrated, this can be rendered “Every boy said of himself
(that). X would eventually be married.” Likewise “Every boy said
he loved his mother” can be rendered, “Every boy said of himself
(that). Loves his mother. (There is a unique x such that x is the
mother of y and y loves x).
The extension to “quantifying-in” to psychological verbs is
clear. “There is someone whom Ortcutt believes to be a spy” is
just “There is someone of whom Ortcutt believes that. Is a spy.”
“Ortcutt believes there are spies,” on the other hand, is
“Ortcutt believes that. There are spies.” Of course, a
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Davidsonian account will not say much about the precise
conditions under which this will be true rather that the form
“Ortcutt believes that. There is someone who is a spy.” I very
much doubt that there are precise conditions for that difference
between “having someone in mind” and not.
The third generalization of Davidson’s idea interprets
“things said” in a Davidsonian way and applies it to Aristotle’s
locution “legomena.” Chapter 6 on properties and propositions
will give a language-derived, innocuous theory of properties,
propositions, and facts. Like the modal predicates, the account
of these items will be an extension of Davidson (1968). Briefly,
properties are things said that are open sentences, propositions
are just things said, and facts are states of the world being
such that things said are true.
Starting with indirect discourse has a great advantage for a
Davidsonian theory. Metaphysical disputes about how “fine-
grained” properties and propositions should be become
observations about the various standards we have for accurate
indirect discourse. Suppose Fred says “I want to permanently
solve my Susan problem.” If I am reporting what Fred said when I
report this to Susan, I can say “Fred said he intends to kill
you” and be accurately saying what Fred said. In court, however,
under cross-examination by Fred’s lawyer, I have to say, still
accurately, “Fred said that he wanted to permanently solve his
Susan problem,” changing the pronouns and verb tense. Indirect
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discourse makes it obvious what is going on when we can correctly
characterize a person’s beliefs, say, in more or less general
terms. Indirect discourse is a model of why it is that various
property-theorists have different conceptions of what it takes
for a property F to be the same property as G, as we will see in
Chapter 6. Likewise, identity-conditions for propositions and
facts are questions of standards in place.
IV The logical form of modals
The account of the modals I will offer has four parts:
First, I show how simple modalities can be given a Davidsonian
semantics. Second, I point out some difficulties that arise from
the fact that many “conditional” modalities seem not to be a
modal applied to a conditional. Third, I show that, apart from
modal contexts, “if”-sentences can be interpreted as truth-
functions. Fourth and finally, I offer an account of modals that
treat the “if” component as in effect semantically neutral. “If”
is basically punctuation for a two-place relation among things
said.
a) Simple modals
The simple, traditional modalities, such as “It is necessary
that two is even” and “It is possible that more rain will fall
next year” would fall easily under Davidson’s paratactic account.
They will be something like “This is necessary. Two is even” and
“This is possible. More rain will fall next year.” The “it” is an
expletive that provides a subject for the sentence, like the “it”
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in “it is raining.” What a demonstrated sentence says is
characterized with an adjective. Simple, partial, inadequate
theories about what is said about such things said might be “Is a
truth of logic” or “Follows from physical laws and present
conditions.” What precisely a thing-said has to be in order for
the predicate “is necessary” to be true of it may not have an
account in other terms—few predicates of interest are strictly
definable outside of mathematics. However, the normal
disquotational predicate clause will be accurate, if somewhat
unilluminating: “X ҇ ‘is necessary’ is true if and only if what
‘X’ says is necessary.” So, “It is necessary that” is true just
in case that is necessary. Depending on what “that” demonstrates,
the sentence will be true or false.
“Is necessary” and “is possible” are adjectives, on this
account, and should be treated in the way adjectives are treated.
Given the account of adjectives in Chapter 9, the kinds of
necessity and possibility can be straightforwardly treated as
adverbs. “That is logically possible,” “physically possible,” and
the like will have the form, “There is some necessity x and x is
of that and x is logical/ physical.” Just as with other
comparative adjectives, the idea is to think of “quantities.” It
may be objected that necessity and possibility do not admit of
degree. That is a part of the theory of necessity and possibility,
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not the semantics.144 This peculiar feature has some important
consequences, as we will see below. Many other modalities, for
instance, “probable” do admit of degrees. For the purposes of
this chapter, though, we will not go into how to treat these
modal predicates as comparative adjectives.
Nothing in the semantics will account for the equivalence of
“It is not necessary that two is even” and “It is possible that
two is not even.” That equivalence, along with the accounts of
what it takes for the predicate “necessary” and “possible” to be
true of things said, are theories involving those predicates. It is
not out of the question that the best such theory will posit
possible worlds, nor is it out of the question that the best such
theory will analyze such predicates in terms of physical laws and
their consequences, moral laws and their consequences, and the
like. None of those theories need be construed as part of the
meaning of the predicates. The semantics will deliver only the
disappointing “`It is necessary that two is even’ is true if and
only if it is necessary that two is even.” We have a simple
predication.
In practice, however, such simple predications need to be
interpreted. When someone says, “It is impossible for you to get
from Boston to Manhattan in less than an hour,” some
interpretation is needed if what was said is to be interpreted as
144 I’m not sure that in ordinary speech, necessity and possibility do not admit of degrees. “To succeed in life, it is more necessary to have influential friends than it is to work hard.”
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true. An F-16 can make it in fifteen minutes. Somehow, conditions
are imported into this “impossible” sentence. 145 One obvious
idea is to take the demonstrated sentence to be the second
argument of a modal “if”-sentence, with the antecedent implicit
and given by context. Another obvious idea is to suppose that
context, supplied by interpretation, allows sentences which are
not literally true to be understood as saying something true. Any
standard account of modality using possible worlds has
essentially the same difficulty coming up with an account of how
we actually understand modals. I will adopt both obvious
strategies, in a way.
The modalities central to relative essentialism, as it
happens, are the traditional ones, namely necessity and
possibility. “Necessity” is of course the nominal formed from the
predicate; “necessary” is the adjectival form, and “necessarily”
the adverbial form of this predicate. Given that modal predicates
are predicates, what are they true of? “Necessary” applies to
very many kinds of things, all of them derived from linguistic
items. There are necessary truths, necessary facts, necessary
propositions, and necessarily applying properties. As we will see
in Chapter 6, Davidsonian accounts of properties, propositions
145 Other readings are possible. If my colleagues all have Lamborghinis, Ferraris, and Aston Martins, so that they all could, at two in the morning, perhaps, make the trip in question, then they might, mockingly, with emphasis on the “you” say the same thing as a way of pointing out that I drive a Prius.
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and facts are innocuous generalizations of Davidson (1968.) No
point that I can see is served by regimentation. In general,
there are numerous ways of saying the same thing. “It is a
necessary truth that p,” “P is necessarily true,” and “The fact
that p is a necessity” all come to the same thing, since
propositions, states, and facts are all entities that derive from
the same things said.
b) Necessary properties and propositions
If Fred is necessarily rational, our understanding, by
Chapter 3, is that Fred (the human) is necessarily rational.
Relative essentialism endorses such attributions of necessary
properties. If properties are construed as things said, and
things said are demonstrated items strictly outside the sentence,
then the “necessarily” will be true of the state of Fred that he
has the property, that is, of Fred’s being rational. The analysis
will be, “There is a state x of Fred (the human) and x is Fred’s
being that and x is necessary. Is rational.” The utterance
demonstrates a thing said, in this case an open sentence. The
failure of truth-preservation under substitution of, for
instance, “has the trait Carnap most often mentions as a
necessary one” is explained by “necessarily” being true of
“rational” being true of Fred, a state. Facts, that is, as we
will argue in Chapter 6, states of the world, can be necessary.
The “Fred” position is extensional, since “is rational” is the
demonstrated thing said, not “Fred is human.” So, “The (human)
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jerk who offended everyone at Barbara’s wedding is necessarily
rational” will be true just in case “Fred (the human) is
necessarily rational” is true, given that Fred is the culprit.
However, “is necessarily rational” will not be true of Fred the
complex of micro-particles.
“It is necessary that Fred is human” is ambiguous between
“That is necessary. Fred (the human) is rational.” and “Fred (the
human) is such that he is necessarily that. Is rational.” The
first is de dicto. It says that the proposition that Fred (the
human) is rational is necessary. The second is de re. The second
says that Fred is in a state, being rational, necessarily.
V A fly in the ointment
Among the modalities, “necessary” and “possibly” are
exceptional cases akin to “all” and “some” among the quantifiers.
They are, as it were, extreme cases and that is why they can be
represented as one-place predicates and their conditionals can be
predicates scoping over conditionals. The wide scope reading of
“If P then necessarily Q” can be represented as just “It is
necessary that if P, then Q,” and the wide-scope reading of “If
P, then possibly Q” can be represented as “It is possible that P
and Q.” From the perspective of a general account of the
semantics of modalities, though, these representations are
misleading in the same way that the representation of “All frogs
are green” as “\/x(Fx -> Gx)” is misleading. That is, the
situation is very much like what is the case with “all” and
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“some.” Because they do not admit of degrees, “all” and “some”
allow paraphrases using truth-functions. As Heim and Kratzer
(1998) page 191 point out, it is a kind of misleading accident
that “all” and “some” can be treated as one-place quantifications
of truth-functions. “All frogs are green” comes out to have the
same truth-conditions as the universal quantification of the
truth-functional conditional and “Some frogs are green” is the
existential quantification of the conjunction. As discussed in
Chapter 1, other quantifiers are not so simple. Necessity and
possibility are likewise extreme limiting cases of modalities,
and only for this reason can conditional necessity and
possibility be one-place predicates of single things said,
whether truth-functions or other conditionals.
The list of obvious modal predicates is very long, just as
the list of quantifiers is very long. “Can,” “has to”, “may,”
“should,” “probably,” and “ought” only begin the list. The lesson
of the quantifiers applies to modals. Rescher (1964) showed that
no first-order paraphrase of “most” in terms of anything about a
truth-functional conditional preserves truth-conditions. David
Lewis (1976) establishes for modalities something similar to
Rescher’s result about quantifiers. Where “If A then probably B”
is understood as the ordinary language claim that the conditional
probability of B relative to A is high, there is no way to get
“If A then probably B” to be a compound of a one-place modality
applied to any kind of conditional. Lewis proves that conditional
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probability is not the probability of any reasonable
conditional.146 Trying to replace the truth-functional
conditional with something whose truth-conditions are more suited
to the English conditionals won’t work.
Hempel (1960) showed long ago that conditional probabilities
do not detach. From “If A, then probably B” and “A” you cannot
infer “B.” Davidson (1970b) argued for the same result in the
case of “ought.” In the case of “ought,” it is pretty clear, as I
will argue in Chapter 10, that it cannot be a modality applied to
a conditional. “If you want to succeed, you ought to study” is
unlikely to amount to some conditional that ought to hold. As I
will argue in Chapter 10, the idea that the conditional “ought”
is “prima facie obligation” is as misguided as the idea that
probability is conditional necessity.
I argue that most modalities explicitly or implicitly come
with an “if” clause. Only for special cases like “necessary” does
it turn out that a conditional modality comes out to be the same
as the modality applied to a conditional. Briefly, if the “if” in
“If A, then probably B” is not the probability of a conditional,
then “if” must be doing nothing other than signaling the first
146 If, as we will see below, “If A then B” is itself a
conditional probability claim, then naked conditionals seem not
to have truth-values.
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argument of a semantically primitive two-place modal or otherwise
intentional147 predicate.
The consequence for a Davidsonian is that many conditional
modalities are generally primitive two-place predicates. Since
predicates have a determinate number of places, modalities must
be either two-place or one-place. If conditional probability and
conditional “ought”-sentences are not a probability-predicate or
an “ought”-predicate applied to a conditional, then, if these are
predicates at all, the “probability” and “ought” predicates in
categorical and conditional sentences are the same. In that case,
the conditional modalities are two-place predicates and the
apparently categorical one-place modality has a covert argument
place.148
The choices for a theory seem to be the following:
1) Treat the modalities as quantifications over something (e.g.
possible worlds), and treat “if”-clauses as restrictors of
quantifiers. This requires that “if”s in indicative conditionals
have an occult quantifier and that modal predicates be
quantifications. “If then probably” might, for instance, use
“most.” “More likely than not” might use the quantifier “more
than half.” When we think about the ingenuity that would be
147 As we will discuss in Chapter 10, at least some propositional attitudes are
two-place propositional attitudes. Conditional desire, for instance appears to
be like conditional probability. See McDaniel and Bradley (2008).148 This is exactly what my (1974) and McDaniel and Bradley (2008) do.
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required to come up with appropriate quantifiers and appropriate
analyses, the apparatus required looks much more like a theory of
something than an assignment of logical forms. If the theory were
about logical forms, then every modal sentence would entail the
existence of the special, to my mind exotic, objects over which
we are quantifying.
2) Treat “if…then…ought”, “if…then…necessarily” and the like as
unstructured primitives. The difficulty with this option is that
“if…then…” in these constructions would have nothing to do with
“if…then…” in contexts without modals and “ought” and “probably”
would be homonyms, depending on whether they occurred with an
“if…then…” or not.
3) Treat “ought” and “probably” as always two-place, treat “if”
as not really having a semantic role at all in these cases,149 say
something about “then,” and treat apparent categorical “ought”s
and “probably”s as having a hidden first argument clause.
On reflection over decades, it seems to me that the best
idea is 3). Before exploring this idea, though, it would be good
to say something about conditionals to make the “no semantic
role” account plausible. Hence the next section, on
conditionals.
149 The third approach, as the reader will see, will result in a theory very
much like that of Kratzer (2012) Chapter 4, minus possible worlds and other
features. The basic idea will be that “if” does almost nothing semantically..
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VI Conditionals
The thesis of this section is that “if” has almost no
semantic role, except to distinguish the first argument from the
second argument of two-place relations among things said, i.e.
the things demonstrated in clauses. The truth-functional
conditional will turn out to be a kind of null modal, applicable
when no modal or propositional attitude expression is present.
That is, all “if” sentences have the form “If modal that, that.”
This section will begin with a discussion of some apparent
difficulties with treating the English conditional as a truth-
function. I will then briefly sketch the sorts of alternatives
that have been proposed. There is an excellent book, Jonathan
Bennett’s (2003), which examines these alternatives in detail.
For decades, there have been sporadic attempts to defend the
idea that the English conditional is a truth-function. There are
some difficulties with the position.
a) (Some of the) Problems with the English conditional being
truth-functional:
1) Truth-functionally true, but not true?
Some truth-functionally true sentences seem to be false,
while others seem to be true. “If Wheeler is our Dean, then the
Earth will open up and swallow his enemies” sounds false, while
“If Wheeler is our Dean, then the Philosophy Department will have
many new appointments,” is true. Likewise, “If a comet crashes
into Storrs tonight, then Phil 2211 will meet as usual,” seems to
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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be false, while “If a comet crashes into Storrs tonight, then
Phil 2211 will not meet as usual,” seems to be true. Of course,
all four sentences are true, on a truth-functional account.
2) Contraposition:
Contraposition is logical equivalence-preserving, according
to the truth-functional account of the conditional, but this
seems to be falsified by many examples. For instance, “If Bush is
elected, it won’t be by a wide margin” might be true while “If
Bush is elected by a wide margin, he will not be elected” is
absurd.
3) Antecedent strengthening:
Suppose that my garden is doing reasonably well, but an inch
of rain would make it flourish. Then “If it rains today, my
garden will prosper” seems to be true. But “If it rains today and
a comet crashes on Willington, my garden will prosper” seems
false. Yet the second sentence is a logical consequence of the
first.
4) Denied conditionals:
When someone says, “If a comet hits Storrs, it will be God’s
justice” and you say “No way,” you are not saying that a comet
will hit Storrs. But that is an implication of the negation of
the speaker’s sentence says, understood truth-functionally.
b) “Connection”:
The basic problem with the truth-functional conditional is
that it requires no connection between antecedent and consequent
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in order to be true. There is general agreement among theorists
that a conditional makes some kind of claim about a real
connection. The antecedent has something to do with making the
consequent more likely, at least. A precise expression of this
idea is that we usually assert a conditionals “If P, then Q” only
when we take the conditional probability of Q given P (Pr(Q/P))
to be high. The intuitively appealing idea is the “Ramsey test”150
which is, “Add `P’ to your beliefs; see how that affects or ought
to affect belief in Q.”151
Two strategies emerge when this intuition is accommodated:
First, a theorist can try to separate truth from assertibility,
and explain the feeling that connection is required as some
pragmatic effect. Second, a theorist can drop the idea that
conditionals have truth-values, and instead argue that
conditionals have assertibility-values. This second strategy
seems to its proponents to be forced on them because they
strongly hold the intuition that “If P then Q” is only assertible
when the conditional probability of Q given P is high enough and
150 Ramsey (1929), footnote page 247.151 One problem with the conditional probability analysis of
conditionals is that there is already a straightforward way of
saying that the conditional probability of Q given P is high,
namely the normal, wide-scope reading of “If P, then probably Q.”
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higher than the probability of Q by itself and are unsatisfied
with attempts to separate truth from assertibility.
The first strategy for defending the truth-functional
conditional was proposed by Grice (1967). His notion of
conversational implicature is the idea that maxims of
conversation shape interpretation. A maxim he proposed was
“assert the stronger claim.” The idea was that just as it is
misleading to say “A or B” when you know that A, so it is
misleading to say “If A, then B” when you know either than A is
false or that B is true. What you have said is true, but violates
conversational norms. But the only condition in which you would
know or believe “either not-A or B” without knowing or believing
either not-A or B is when you know there is a connection between
A and B.
Grice seemed to think that a series of such rules of
conversation would explain the lack of connection between truth
and assertibility that thinking that the English conditional is a
truth-function would require. But there are counter-examples to
this rule about saying the stronger.
If you measure “strength” as degree of belief, there are
acceptable and assertible conditionals whose strength is not
significantly greater than the consequent’s strength. “If a comet
strikes my classroom today during class, this will be the last
meeting of the semester,” is assertible and presumably true,
while “If a comet strikes my classroom today during class, we
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will still have the final exam here,” is not assertible and
false. Yet in both cases, the probability of the conditional
being true is only infinitesimally larger than the probability of
the consequent being true.
Frank Jackson (1979) proposes the notion of “robustness”
which he construes as an addition to the “meaning” of “if…then…”,
akin to “but”’s addition to “and.” “Robustness” is a relation
between information and propositions-for-a-person. Two sentences
can be equally strongly believed, but one is robust with respect
to some information while the other is not. So why assert P->Q
when we are almost as sure of Q as we are of P->Q? We want to
indicate that (-P v Q) is still something we believe even if Q is
false. Numerous problems arise if robustness is taken to be
“conventionally implied” by “if…then.” In brief, for a variety of
reasons, the implication of connection between antecedent and
consequent of conditionals does not seem to work like “but” or
“nevertheless.”
The second alternative, abandoning the idea that
conditionals have truth-values, has prominent adherents.152 The
thesis is that a conditional is assertible just in case the
probability of the consequent, given the antecedent, is high.
Given Lewis’ proof that no conditional can be true just in case
the conditional probability of antecedent given consequent is
152 For instance Edgington (1995) .
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high, the view has to be that conditionals do not have truth-
values. What do they do, then?
Conditional probability is (usually) an evidential relation,
the relation a sentence bears to another sentence given
background knowledge. So, conditionals express one’s confidence
in q given p, and are appropriate when one has high confidence in
q given p, but do not assert that one has that confidence. This
means that conditionals are subjective—a conditional that is
assertible by you may not be so by me. We all have different
background knowledge, so conditional probabilities vary from
person to person.
An illustration and apparent confirmation of this
perspectival feature of conditionals is Alan Gibbard’s (1981)
“Riverboat” situation, where two conditionals, “If he called,
then he won” and “If he called then he lost” both seem to be fine
and if either true or false, both true. If conditionals are
accepted in virtue of high conditional probabilities of the
consequent given the antecedent, conditionals are subjective.
Generally, if the antecedent is false, there will be adequate
evidence for both the truth-functional conditionals (A->C) and
(A-> -C), since this is just evidence that neither (A&C) nor (A &
-C) are both true.
c) Truth-functions after all?
Notice that in Gibbard’s example, there is no contradiction
between the two conditionals, if they are read truth-
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functionally. Gibbard in fact has a proof that any conditional
that satisfies three very reasonable conditions is a truth-
function, if the conditionals are propositions with truth-values.
The reasonable conditions are that (p ->(q->r)) is logically
equivalent to ((p/\q) ->r);153 that the truth-functional
conditional is at least never false when the conditional is true,
i.e. that no conditional (p->q) is true when p is true and q is
false; and that if q logically follows from p, then p ->q is also
a logical truth.
Given the apparent failure of attempts to explain the
separation of assertibility from truth that interpreting
conditionals as truth-functions requires, the conclusion seems to
be that indicative conditionals do not express propositions with
truth-values. This is about as radical an account as there could
be. For instance, it would require a non-truth-conditional
semantics,154 since truth-conditions will not be applicable to 153 That this is reasonable does not mean it cannot be denied at a price. See
Vann McGee (1985).154 Theorists might not be disturbed by this, since they might think that
questions and commands require a non-truth-conditional semantics anyhow. But
questions and commands have an obvious Davidsonian account: Commands are
sentences presented for the purpose of having them be made true. “Yes-no”
questions are sentences presented for the purpose of having the hearer tell
you its truth-value. “Wh”-questions are open sentences presented for the
purpose of having the audience supply a satisfier for the open sentence. The
grammatical categories imperative and interrogative are dealt with in Davidson
(1979), to which I have nothing to add.
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conditionals. It is therefore worth trying to mount another
defense of the truth-functional conditional as correct semantics
for sentences using “if.”
I need to highlight two features of the account I am
proposing:
First, one of the Davidsonian strictures on semantical
theories, which he shares with Derrida,155 is that it is bad
procedure to exclude “etiolated” or “marginal” uses when
constructing a theory of a word or kind of expression. The
clearest expression of this view is in his discussion of the
theory of naming, is in Davidson (1993). There Davidson
criticizes “causal” and “baptismal” theories of naming because
they fail to account for fictional characters and fail to deal
with cases where there is clearly naming, but where it is
pretended that “the names are changed to protect the innocent,”
while the author and reader know who is being named.
Second, there is no reason whatsoever to think that “if” and
“then” somehow combine to make a single unit in logical form.
Prima facie, it would be amazing if “if” and “then” were a
semantical unit, since, as we will see, “if” occurs in contexts
where “then” cannot accompany it without seriously distorting the
communication, and “then” obviously occurs in many environments
which have no connection with anything conditional. The account
155 Derrida makes an exactly similar point against J. L. Austin’s theory of
speech-acts in Derrida (1977).
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to follow will treat “if” as meaning “if” and “then” as meaning
“then,” a resumptive pronoun referring back to the event in the
previous clause and placing its clause “after” it, in some sense.
The Davidsonian stricture on ignoring marginal cases (1993)
implies that a semantics for “if” should seek a single, unified
account of sentences using “if.” If we take this project
seriously, the account has to cover all the actual uses of “if,”
not just the alleged “central” ones or the “conditional” ones
that happen to interest us. Several kinds of uses of “if” have
generally been treated as marginal, etiolated, and definitely not
the “if” we philosophers are theorizing about.
First, there are the “non-conditional” conditionals. For
example, consider “There’s some beer in the cooler, if you want
one,” “If you must know, Fred and I have been seeing one another
for months,” “George doesn’t love Susan now, if he ever did,” and
“Fred had a pressing engagement, if you know what I mean.” This
is only the beginning of a long list of kinds of uses of “if”
that seem to have nothing to do with connection or conditions.
Note, by the way, for future reference, that these “if”s do not
have an accompanying “then.” Note also that, since the “if” seems
to be just an add-on to the “consequent” clause, they are all
truth-functionally acceptable. The only controversial case would
be the case where both “antecedent” and “consequent” are false.
If I say “Fred had a pressing engagement, if you know what I
mean” and Fred has nothing on his calendar and you have no idea
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what I’m insinuating, there is some inclination to say that the
whole sentence is false. However, there is also the inclination
to say that, as it happens, the sentence is true, just as “If
Fred is a scholar, I’m a monkey’s uncle” is true, as discussed
below. It is of course also true that it is difficult to imagine
a communication situation in which a speaker knowing that the
antecedent was false and the consequent was false, would non-
misleadingly say the sentence.
Note that the non-conditional conditionals can be understood
as connection-implying conditionals. If there is a beer fairy in
my house, who accommodates my guests by telepathically reading
their desires, and then magically satisfying them, but my guest
Fred does not know this, “There is beer is the fridge if you want
one” can be meant as a connection-implying use of “if.” In that
case, “then” would be appropriate, but not required, for reasons
we will discuss below. Or, adapting one of Lycan’s (2001, page
191) examples: “Frijhof Boeger will be at the conference, if I’ve
spelled it right.” It could be that there is some connection
between spelling the name right and the guy showing up, but that
is so unlikely that we don’t ascribe such a belief.
Another, smaller category of problem conditional is so-
called “joke” conditionals, such as “If Bush is a statesman, then
I’m a monkey’s uncle.” These are generally acknowledged to be
truth-functions, but excludable as marginal, rather than central.
They are, after all, jokes. But how they can even work as jokes
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requires explanation. Someone who takes Davidson (1993), not to
mention Derrida (1967) seriously will be suspicious at this
exclusion of the “marginal.” The idea that semantics is like
physics, so that simple cases (balls rolling down inclined
planes) will provide the laws to which “marginal” cases can
eventually be assimilated, is suspect. There is no reason to
think that the relationship between a beer-in-the-fridge
conditional and a causal conditional is like that between balls
rolling down inclined planes and trees falling in a dense forest.
What a defender of the truth-functional conditional needs is
an account which explains the disconnection between assertibility
and truth for many conditionals, while accommodating all the uses
of “if.”
d) Separating truth from assertibility
Grice’s (1967) and Jackson’s (1979) proposed explanations of
why truth-functional conditionals could lead an interpreter to
expect that the speaker thought there was a connection between
antecedent and consequent. They looked for principles of
interpretation that would handle all the cases. Lists of
principles seem not to be adequate. Davidson thought of
interpretation, not as an algorithm or set of principles to be
applied to cases, but as rationalization. Communication-
situations may vary in many ways. The factors that may be
relevant in understanding what another has said are difficult to
enumerate. This does not mean that there is nothing systematic to
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say about how we go about interpreting another, but rather that
we should not expect there to be an algorithm governed by strict
principles..
A parallel to Davidsonian interpretation is induction. A
great deal of successful theorizing has been done about how
conditional probabilities should change in the light of new
information. There is the whole field of statistics and
probability theory. But no one expects to have an inductive
logic, in the sense of an algorithm that determines for arbitrary
pairs of sets of sentences S and individual sentences P, the
conditional probability of P given S.
Davidsonian interpretation, in the case of conditionals, is
a generalized and extended use of the strategies of Grice and
Jackson. An interpreter is presented with an “if”-sentence, and
asks “Why is he saying that?” The interpretive task is to
understand why the person presents a given sentence with those
truth-conditions. The “why” is not a part of the meaning, but a
part of interpretation of actions of truth-value-presentations.
For Davidson, these two sides of interpretation are simultaneous.
Given that we have an hypothesis about the reason the person is
presenting an utterance, we arrive at truth-conditions. A gesture
toward a buffalo accompanied by an utterance suggests that the
truth-conditions of the utterance have something to do with a
buffalo. Given that we have a good idea what the truth-conditions
of an utterance are, we can hypothesize about the person’s
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reasons and the force of the utterance. When a teammate says
“Good shot” after my airball, the utterance is likely to have
been intended sarcastically.
Davidson’s idea is that you do not need a system of rules.
Rather, you need to suppose that the other is a rational agent.
So when a person presents, for instance, a disjunction, it is
often reasonable to suppose that he doesn’t know which disjunct
is true, given that the person is trying to communicate. In the
same way, most of the time, if someone asks me “Do you know where
the Budds building is?” and I say “Yes,” I’m being obtuse or
philosophical. Other times, I may be being quizzed by someone who
doubts that I know my way around campus. One way to be obnoxious
is to respond to “Can you reach the salt?” with “Yes.” “Can you
reach the salt?” though, said by my physical therapist, when I am
recovering from shoulder surgery, could be a question about how
my therapy is progressing. We don’t need “conventions” here, just
normal skills of interpretation.
Many interpretation-scenarios are repeated again and again,
and interpretation becomes close to automatic. Such routine
interpretation can feel like part of the meaning of what is said.
The interpreted message is part of the speaker meant to convey by
the speech-act. The intended interpretation, though, is not the
same truth-conditions of the sentence uttered for that
communicative purpose.
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Accounts of various problem examples then amount to
explanations of why a hearer would interpret the presentation of
a truth-function in a given way, and why a speaker could expect
the hearer to do so. “Conversational implicature” and
“robustness” explanations will be accurate accounts of the
reasoning for many such explanations.
On the present account, most of the work done by “semantics”
for conditionals is to be assigned to interpretation—a person
presents a truth-value and the interpreter has to figure out why
the person presented an utterance with those truth-conditions.
Interpretation ascribes a reason for the person’s remark. Given
that the presenter wants the interpreter to get it right, and the
interpreter knows this, much of the understanding that takes
place is extra-semantic.
Interpretation explains problem 4) above, why denials of
conditionals do not seem to work truth-functionally. Denials are
not always of the truth-conditions of what is said, as Jackson
points out. If you say “I believe it will rain,” and I reply “No
way,” I am not casting doubt on your accuracy in reporting your
mental state. Denials can be of what is “signaled,” to use
Jackson’s term. In the same way, when someone says, “If a comet
hits Storrs tomorrow, it will be God’s justice” and you say “No
way,” you are not saying that a comet will hit Storrs. You are
denying the implied connection, which implication interpretation
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explains.156 The sentence is almost certainly true, but the
implied connection almost certainly does not exist, given the
piety of people in Storrs.
e) Tense and conditionals
A not-always noticed feature of proposed counterexamples to
the thesis that the English conditional is a truth-function is
that problem indicative conditionals seem always to be future
“tense.” The English “will” is in fact a modal auxiliary, but the
same holds for French, which actually has a future tense. In
languages with still-functioning moods, modal distinctions are
represented by subjunctives, optatives, and the like.
My account conjectures that the future tense, the past
tense, and tenses other than the null present tense are at least
akin to modals. The various tense logics make this abundantly
clear.157 The future tense speaks of what is not (yet) in
existence. The future is at least akin to the possible, the might
be, and such modal notions. My account proposes that “if” is
basically a marker of two-place modal and tense predicates of
things said. An occurrence of “if” says “first argument of a
modal or future tense predicate coming up.” When there is no
modal or future tense there, but the marking takes place, the
“if” is the null-modal, the truth-functional conditional, to
156 Ramsey (1929) page 239 makes the same point about denied conditionals. 157 See Burgess (2009) chapter 2 for a nice treatment of that field.
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which interpretive strategies will need to be employed,
typically. When there is a “then” to indicate that some kind of
sequence is intended, the “if” still marks a pure truth-
functional conditional, an add-on to a clause, as in “non-
conditional conditionals,” and the “then” adds the idea of a
sequence. The claim of sequence between the arguments then
suggests, on interpretive grounds, that the first argument has
something to do with the second.
On the present account, “will” is a two-place predicate of
things said. Something similar happens with “will” as happens
with “probably” and “ought.” In “If A, then probably B,” there is
a “wide scope” reading and a “narrow scope” reading. I put these
characterizations in scare quotes because they presuppose that in
“If...then…probably” sentences something is either governing a
conditional or its consequent. On the present account, that is
not what is going on. The two readings are a “probably” modality
with first argument being the apparent antecedent and second
argument being the apparent consequent, and a truth-functional
conditional with first argument being the antecedent and second
argument being a “categorical” probability. “Categorical” or
“absolute” probabilities I take to be something like “all things
considered” probabilities, which are epistemic, like “all things
considered” “ought”-sentences.158 158 As I will argue in Chapter 9, “ought” is primarily an epistemic modality, calculating what it is reasonable to believe, want and do. The theory of “ought” I will argue for as an alternative to
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So, just as we can say “John is probably in New Hampshire by
now,” taking the tacit antecedent to be contextually given or
common knowledge, so we can say “It will rain tomorrow” taking
the tacit antecedent to be contextually given or common
knowledge. A pure prediction would be like an absolute modal or
like an unconditional desire—a two-place relation with a
tautology as the first argument. Pure predictions that it will
rain just say that relative to anything, it will rain. In the
same way, apparent unconditional desires are desires relative to
anything; and pure necessity claims are claims that relative to
anything, this is necessary.
We can see the difference the future tense makes by
replacing the future reference in our earlier examples with
present or past:
1) With the future, “If Wheeler is our Dean, then the Earth will
open up and swallow his enemies” sounds false, while “If Wheeler
is our Dean, then the Philosophy Department will have many new
appointments,” sounds true. But both of the pair “If Wheeler is
our Dean, then the Earth opened up and swallowed his enemies” and
“If Wheeler is our Dean, then the Philosophy Department has many
new appointments,” seem strange, but not false. Note that, the
“metaphysical” theories about “ethically accessible worlds” and such will be a rationality-based account. If we took “categorical” probability to be about what is true, all probabilities would be either one or zero.
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actual temporal understanding sense of the antecedent, when the
consequent is future, may be itself is future, as well as the
temporal sense of the consequent. This should lead us to think
that “will” is two-place, as I argue below that it is.
2) Contraposition examples are less than persuasive to begin
with. Consider “If Bush is elected, it will not be by a wide
margin.” Notice that “it” is anaphoric with something, namely an
election. So, the logical form of this original sentence, taking
“B” to be “is an election which Bush wins” and “W” to be “is a
wide-margin election,” would be either \/x( Bx -> -Wx) or \/x(Bx
-> (Bx/\-Wx)). The contrapositives of neither of these are
paradoxical. “\/x( Wx ->-Bx)” would say that if it was a large-
margin win election, then Bush doesn’t win it. And “\/x(- (Bx/\-
Wx)->-Bx)” says that if either Bush doesn’t win or the election
is won by a large margin, then Bush doesn’t win.
3) Antecedent strengthening again depends on the future modality.
Suppose that my garden is doing reasonably well, but an inch of
rain would make it flourish. Then “If it rains today, my garden
will prosper” seems to be true. But “If it rains today and a
comet crashes on Willington, my garden will prosper” seems false.
Yet the second sentence is a logical consequence of the first. If
“will” is a two-place modal predicate, then this paradox would be
no more troubling than the paradox that if Fred is only twenty,
he probably lives at least another forty years, whereas it is
very doubtful that if Fred is twenty and is facing a firing
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squad, he probably lives at least another forty years. The “will”
seems to be at least akin to a modal that predicts the
“consequent” relative to the “antecedent,” more or less in the
way that “if…then…probably…” assesses the “consequent” relative
to the information in the “antecedent.” In both cases, all the
work is being done by the modal or the tense. The “if” is doing
nothing special, except indicating the first argument of a two-
place predicate of things said. “If” is like the “either” in
“either…or” in this respect.159
f) “Then”
It should seem obvious that “then” is an independent
component of the alleged “if…then…” connective. “Then” has
independent occurrences outside conditional contexts, and seems
to be a demonstrative akin to “there.” So, we have sentences
like, “First sauté the garlic, then add the basil,” and the like.
“Then” indicates a place in a sequence, whether a temporal
sequence, a sequence of argument steps, or the trivial fact that
the second clause is second. Consider the following conversation:
“Bill is coming, along with several friends.” “Then we had better
buy another case of beer.” The “then” indicates the next place in
an inferential sequence. The “sequence” that “then” indicates may
be pretty minimal. When I am asked, “Who is in your department?”
I may say, “Well, there’s Lionel, Baxter, Lynch, Paul and Bontly
on that side of the hall. And then there’s JC, Hallie, Marcus,
159 “Men…de” is something like this in Greek—that is, punctuation for clauses..
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Elder and me. And on the first floor there’s Bill and Austen.”
The sequence is just sequence in this list. This kind of trivial
sequence seems to be a way of marking that the current utterance
is a continuation of the previous utterance.
When “then” occurs with an “if” some kind of sequence is
implied, which interpretation must supply. An “if”-sentence such
as “If you want a beer, there’s some in the fridge,” will, as
noted above, require a different interpretation if “then” is
inserted, giving us, “If you want a beer, then there’s some in
the fridge.” With the “then,” the sentence seems to imply some
kind of sequence with your desire as first element and the
presence of beer in the fridge as second. What kind of sequence
could this be? There are lots of possibilities, all of them
unlikely, and most of them involving some kind of causal relation
between the desire and the presence.160
“Sequence” can be any kind of ordering. In “If an integer is
prime and even, then it is two,” the sequence is inferential, but
not causal or temporal. This “then” is acceptable even though
there is in fact no priority of one clause over the other
inferentially.
160 Suppose someone says “If you want a beer, then there’s some in the fridge” knowing that nothing beer-fairy like is the case. In this case, the “then” is the trivial “second place in the sequence of clauses.” Since the “then” is pointless, the sentence is odd and misleading, but not false.
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“Then” is optional in conditional remarks using “if.” “If an
integer is prime and even, it is two,” is fine. “If you open the
window, you cool off the room” and “If you open the window, then
you cool off the room” say much the same. The presence of a
“then” indicates some kind of sequence, perhaps the trivial
sequence of being the second thing you said. But the sequence
may be supposed even without the “then.”
g) Interpreting “if…then…” sentences
Besides Davidsonian rationalizing interpretation, by which I
understand a kind of generalized Grice and Jackson, using “if”
without a modal and with a “then” strongly demands an
interpretation according to which there is a non-trivial sequence
between the first and the second. “Then,” that is, strengthens
the interpretive inclination to ascribe to the speaker a claim
that the truth of the antecedent has something to do with whether
or not the consequent is true.
h) Counterfactual conditionals
In Chapter 1 I characterized truth-definitions as
“supporting counterfactuals.” More generally, a mark of the
natural laws that provide essences is that they support
counterfactuals. So, I should say something about
“counterfactual” conditionals. According to my account of
conditionals, there is no special counterfactual “if…then…” that
is distinguished from the indicative conditional. Rather, such
markers as “would,” the past tense of “will,” in the consequent
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and either a past or past perfect in the antecedent indicate one
or more “counterfactual” modal relations between things said. I
do not have anything like a theory of the truth-conditions of
such modal predicates. A sufficient condition is that the
conditional be an instance of a law. However “is a law” seems to
me to be just another way of saying that the second argument is
necessary, given the first.
I don’t have a theory about what to say about “If Caesar had
been in charge, he would have used catapults/atom bombs,”161 nor
about “If three were even there would be two even primes.” About
the general run of counterfactual conditionals which seem to be
dependent on what the shared assumptions of the conversation are,
I can observe that the same features affect the truth-conditions
or interpretations of “necessary,” “can,” and “impossible.” My
inclination would be to treat the actual utterance “You cannot
physically get from here to Willimantic in less than five
minutes” as literally false, given F-16s, but interpreted with
“background” as antecedent so as to be understood as true.
Virtually every theory of counterfactuals does something
similar.162
161 Quine (1960) page 222.162 See Iatridou (2000), Dehghani, Iliev, and Kaufman (2012), for instance. A Davidsonian should be happy to applaud linguistic work on the truth-conditionsof counterfactuals, given that a Davidsonian semantics has nothing to say about the truth-conditions of the “counterfactual” or “subjunctive” modal predicate. These are interesting and plausible theories about the truth-conditions of the predicate.
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VII Modality and “if…then”
Here is the conclusion: Modals are two-place predicates of
things said. Many modals have pretty good theories about what it
takes for that modality to obtain. “If” marks the first argument
of the modality. A conditional modality is just a modality with
both of its arguments explicit.
Since what “if” does is mark the antecedent of a two-place
modal, what is going on when there is no modal? An “if” with no
modal, that is, just connecting two clauses, marks clauses in the
“null” modality. The null modality is the truth-functional
conditional. This explains why the various “non-conditional
conditionals” are still truth-functionally all right. It also
explains why “then” is very odd in such uses of “if.”
“Probably,” “ought,” and other modals are not further modals
on top of the null modal. Rather they are the modal whose first
argument is being marked by “if”. For such modals, typically,
“then” is appropriate because there is some relation, expressed
by the modal, which makes the first argument have something to do
with the second. For a few modals, the extreme modal predicates,
it will in fact work out well to pretend that the conditional
modality is the categorical necessity of the null modal applied
to its arguments. But that is an accident. Even they are in fact
two-place modals which actually have nothing semantically to do
with the truth-functional modality. The satisfaction-conditions
of the particular predicates make it turn out that they could be
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understood as a one-place categorical modal predicate applied to
a null modal.
The semantics for modalities can thus be very simple: Each
modality is a one- or two-place predicate of things said.
Chapter 6: Properties, Propositions, and Facts
As we saw in Chapter 1, Davidson does not employ the
metaphysical notion of “meaning” in giving his account of
linguistic meaning. Propositions, as understood by philosophers
to be the entities expressed by sentences in use, thus have no
part in his account of language. Similarly, he does not analyze
predication in terms of an object instantiating a property. The
notion of a property as a component of facts is of course ruled
out by his arguments that sentences do not refer. Likewise, he
rejects facts as referents or truth-makers for sentences. He
accepts a proof, whose avoidance requires major constraints on an
underlying logic, that there is at most one fact, if facts are
truth-makers for sentences.
In consequence, Davidson never develops a semantics for
sentences using these concepts. There is no Davidsonian account
of properties, propositions or facts. However, any Davidsonian is
committed to saying something about what such objects are. A
Davidsonian is committed to the idea that most of what most
people say is true. There are truisms about properties,
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propositions and facts. It is true that my brothers and I share
many properties. It is a truism that if my brothers and I are all
bald, there is a property we share. It’s true that that’s a fact.
There are at least some propositions you and I agree on, for
instance, that the present year is after the seventeenth century.
Modalities, as we noted in Chapter 5, often seem to be
predications about properties, propositions, and facts. So,
properties, propositions and facts must all be something,
according to Davidson.
So, a Davidsonian philosopher has two projects:
a) Find something innocuous that property-talk, proposition-talk,
and fact-talk could be about. Find what it is that we posit, when
we posit properties, propositions and facts.
b) Argue that these innocuous somethings are all that the data
support, that they have no metaphysical role in making
predication possible, supplying meanings for sentences, or
supplying truth-makers for sentences, and that the truths a
Davidsonian has to acknowledge about properties, propositions,
and facts are truths about them.
I) General Thesis and objections
Since the accounts of these three kinds of objects will be
so similar, I will sketch the general kind of account, discuss
objections to this kind of account that could be or have been
raised, and then go on to say something about each of these kinds
of objects. Briefly, the Davidsonian ontology for properties,
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propositions and facts is that they are the same quasi-linguistic
posits he proposed in Davidson (1968), the items appealed to in
the account of modalities in Chapter 6. Briefly, again,
properties are “ascribables,” “things that can be said” which are
open sentences rather than sentences. Propositions and facts are
posits of sentential “things said.” Subject-predicate
propositions are ascriptions of ascribables. Facts are states of
the world that some ascription is true. Facts have some peculiar
problems, but are posits of the same innocuousness as properties
and propositions.
Different views about the identity of properties,
propositions, and facts coincide very nicely with different
standards for “saying the same thing” in indirect discourse. Thus
intuitions and examples supporting various metaphysical theses
about sparseness of properties are accommodated by the theory.
Someone taking a “fine-grained” approach to properties,
propositions or facts is someone requiring a different standard
for accurately representing “what Fred said.” Whether “Aristotle
is a Greek” attributes the same or a different property or
expresses the same or a different proposition or states the same
of a different fact from “Aristotle is a Hellene” depends on the
purposes at hand. There is considerable latitude in judging
reports of what someone has said as true or false: I’ve asked
Fred to cover a class and ask a colleague to pester Fred to get a
response. Fred may have actually said, “What a pain. But I owe
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Wheeler one. So I guess I’ll do it.” The colleague’s true report
of what Fred said may be “Fred said OK.”
Identity conditions in various contexts for things said
match the variety of identity conditions for various “grains”
ascribed to properties, propositions, and facts. “Lois denied
that Superman is Superman” is a false report of her words “Clark
isn’t Superman,” Marcus’ report that I said I would give a talk
in a fortnight is true even if I said “I will do it in two weeks”
even if I think a fortnight is a period of four days. However,
Thales said that everything is basically water, but he didn’t say
that everything is basically di-hydrogen oxide.
All three posits in effect start with Aristotle’s
characterization of predications as “legomena,” things said. If
we expand the things said to include all the things sayable, we
need an account tying things said to language, but not to any
particular language. Davidson’s(1968) account treats the “that”
as a demonstrative, and regards the content of the subordinate
clause as an item demonstrated in the sentence, but not part of
the sentence. Just as when I say, “When I tried her Banana Tofu
Surprise I couldn’t help doing this,” my facial expression is not
part of the sentence, so when I say “Pascal said that it is
rational to be Catholic,” “It is rational to be Catholic” is not
part of the sentence. What makes what Pascal said and what I
wrote above the same ascription is that each is an acceptable
interpretation of the other. So my sentence and Pascal’s sentence
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ascribe the same property to being a Catholic and express the
same proposition, by most standards of saying the same thing.
A description of what a proposition is in other terms would
be the following: A proposition, relative to a standard of same-
saying, is a collection akin to an equivalence class of possible
utterances. The relation is “same-saying.” “Says the same as” is
not quite an equivalence relation, since it is intransitive. A
picture of these classes in a space of possible utterances would
be a set of overlapping circles, each centered on an utterance.
How far from a given possible utterance another possible
utterance would have to be to be saying the same thing depends on
the purposes at hand, as discussed in Chapter 5.
A further reason a proposition would not be an equivalence
class is that the same-saying relation is sometimes
indeterminable due to indeterminability of interpretation. An
illustration of how it can be indeterminable whether two
utterances express the same proposition, even given a single
standard of “saying the same thing” might be the following:
Suppose Euclid and Dedekind both say, “Two is the only even prime
number.” Euclid takes the numbers to be the natural numbers.
Dedekind takes the numbers to include the reals, etc. They are
positing different sets of objects with their terms “number.” On
the other hand, the only numbers that are prime are natural
numbers. Are they thinking the same thing, if a proposition is a
content of thought? Or take Saussure’s(1977, page 115-116)
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example of “sheep” and “mouton.” Francois says “Charles est un
mouton,” Frank says “Charles is a sheep.” As Saussure points out,
“mouton” has a different extension from “sheep,” covering mutton
as well as intact animals. However, with the indefinite article,
it can only apply to an animal, since it is being treated as a
count noun.
Possible utterances are (mostly) abstract objects generated
by truth-definitions for idiolects. Since a truth-definition
supports counterfactuals about what possible utterances would
have meant if they have been uttered, these possible utterances
reflect those counterfactuals. It should be obvious how this
account applies to properties and facts. Properties are things
ascribable, open-sentence-like entities, while a fact is a state
of the world that a thing said is true.III Objections and replies to the general thesis
The objections to follow are primarily ones that have been generated
from my colleagues, since there are no duplicates of precisely the theory I
propose here to which the literature has responded, at least that I know of.
a) Objection 1: These theories treat the world as linguistic.
No. That “is a frog” is true of an object says a lot about the object.
If the entity is such “is a frog” is true of it, then it’s a frog, hops,
cheeps in the spring, etc. Joe being a frog has consequences that are not
linguistic consequences, but consequences about what a part of the world is
like. It is true that these consequences must be reported in language, but
that does not make them linguistic. The proposition that Joe is a frog, if
true, likewise has consequences for the world, as does the fact that Joe is a
frog being a fact.
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In each case, by the present account, the truth-definition says how the
world has to be for a property to be instantiated by an object, what the world
has to be like for a proposition to be true, or for a fact to be a fact. The
whole point of the truth-definition is that the world being a certain way is
the condition of a linguistic item having a semantic property or relation.
b) Objection 2: There are more propositions, properties and facts than there
are things people have said.
On the present theory, every possible sentential utterance-type
expresses a proposition. Possible utterance-types are abstract objects of a
familiar sort, the sentences and predicate-phrases generated by the syntax of
an idiolect. It is fairly easy to come up with propositions that have never
been expressed and properties that have never been ascribed. A syntax, coupled
with a recursive semantics, will, after a few iterations of a familiar
construction, produce sentences, i.e. possible utterances, that have never
been uttered, certainly not by someone speaking your idiolect. A truth-
definition for an idiolect generates what the truth-conditions of an infinity
of utterances would be. Truth-definitions support counterfactuals.
c) Objection 3: Propositions, properties, and facts are prior to
language.
This is an objection one hears a lot. “Since there were no
humans when tyrannosaurs were alive, there were no sentences
then. But then `Tyrannosaurs are fierce’ would not have been true
then, since the sentence did not exist then. But it was true. The
property of being fierce, likewise, was something tyrannosaurs
had, even though there were no things being said about them. So,
eternal objects such as propositions and properties must be the
truth-bearers and that in virtue of which things have features.”
As I briefly mentioned in Chapter 1, this argument would has
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little appearance of plausibility if “is true” is conceived of as
a one-place predicate of sentences and “is true of” is a relation
between predicates and entities. If “is true” is a predicate of
sentences, sentences about the existence of tyrannosaurs are
true. If “is true of” is a relation between predicates and
things, then my predicate “is fierce” is true of tyrannosaurs.”
While it is correct that there were no sentences in existence
then, it is not correct that “There are tyrannosaurs” was not
true then. “It is 1,000,000,000 BCE” is a sentence of ours which
was true for a year back then. The case is analogous to puzzles about the fact that Aristotle might not
have been called “Aristotle.” There may be no possible world in which speakers
can truly say “Aristotle is not named `Aristotle.’” Nevertheless, there are
worlds in which “Aristotle is not named `Aristotle’” is true. “Aristotle is
not named `Aristotle’” is true in those worlds even though that utterance or
inscription, interpreted from the point of view of that world, that is, with
that world’s references for terms would not be true. The utterance is mine and
is to be interpreted with this world’s references.
In the same way, in the distant past there were no speakers saying
“There are tyrannosaurs” but my inscription or utterance, “There are
tyrannosaurs” was true. In both cases we are “evaluating” our utterance
relative to another framework, either another possible way things might be or
another time. Our English sentence “There are tyrannosaurs” was true a while
ago but that does not mean that our sentence existed in those bygone days.
d) Objection 4: Expressions of a language are enumerable, but the true
propositions are not.
Consider any real number, say pi. For every other real number n, either
it is greater than pi or smaller than pi. In general, \/n\/m (n≠m -> (n>m v
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n<m)) . Here are 2א things true of n, i.e. properties of n, and so
propositions about n, for every real number n. But the expressions of English
are denumerable. The real numbers are not. So propositions can’t be just
things constructed out of linguistic expressions. Analogous arguments for non-
denumerable pluralities of properties and facts run the same way, with only
slight adaptation of wording.
Response d1) There are a non-denumerable infinity of expressions
in English.
This is an argument made by Postal and Langendoen (1986):
Consider a grammar for a fragment of English S: S is the smallest
set such that: 1) “Cabernet is a wine” ε S. 2) If X ε S then “I
believe that” ͡ ͡ X ε S. S is clearly isomorphic with the positive
integers, and so denumerably infinite. S contains only sentences
of finite length. Add one more syntactic rule to expand S, namely
3) If X and Y ε S, then X ͡ “and” ͡ Y ε S.
From 3), if X is a sequence (an ordered -tuple) of elements
of S, then there is a conjunction X’, also in S, the order of
whose elements follows the order of X. S thus has the cardinality
א א . This set, after reaching cardinality 2א as it were, then
takes those elements as items to be grouped into subsets, and so
on. Rule 3) creates a set of expressions for every subset of
elements of S. S has elements of infinite length, and in fact an
infinity of them. Some of the conjunctions (an infinity) are such
that each conjunct is of infinite length.Consider the conditional whose antecedent is some conjunction of the
totality of subsets of S (a conjunction whose characters have the cardinality of
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the continuum) and whose consequent is “Cabernet is a wine.” It has to be a
logical truth, since every model on which the antecedent is true is one on
which the consequent is true. This is so, even though the antecedent has
length 2 א.
It may be objected that such strings are not sentences, because they
cannot be produced by humans. Whether they are sentences or not, they
certainly are linguistic objects. So, there is an expression representing the
distance between √2 and π. Here is a finite segment of that expression: “The
distance between √2 and π is 1.7273790…..” The same holds for all the other
reals. Call a d-property a property of being a certain real distance less than
a given number on the number line. So, you can say things like “For any d-
property D, if Dn and Dm, then n=m.” You can quantify over properties and
relations. There are enough properties, that is, ascribables.
Response d2: The possible linguistic expressions are not clearly denumerable
The theory does not claim that, for every proposition and every
idiolect, there is an expression in that idiolect which expresses that
proposition. Aristotle, for instance, could not express the proposition that
protons are composed of quarks. Rather, the theory claims that for every
proposition, there is a possible idiolect and a possible expression of that
idiolect which expresses that proposition. Properties are sets of possible
open sentences, propositions are sets of possible closed sentences.
What are the possible languages? We have an expression for pi, so we can
say things about pi. For every real number, there is a possible idiolect with
an expression for that number. Even if we require that the language be
English, there are possible idiolects in which pi refers to some other real
number. Suppose the speaker has heard the expression “pi” but has no idea that
it has anything important to do with circles. He thinks it’s an irrational
number whose first three thousand digits are 3.1415…….. By reasonable
principles of interpretation, we could assign any of a non-denumerable
infinity of real numbers as what that speaker means by “pi.”
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Objection e) There are properties we are aware of that the ancient Greeks
could not ascribe to things. There were propositions and facts they could not
express. So, we should expect that there are properties future people will
ascribe to things that we cannot ascribe. Possible people might ascribe still
other properties and express still other propositions. If properties are
ascriptions, and propositions and facts are things said, how could they have
been there before there were people able to ascribe them or express them?
Reply e1) Those properties did apply to things classical times, just as
propositions about protons were true in classical times.This is a form of the
same objection above, that there were true propositions before there were
language-users. Of course. We are describing classical times and ascribing.
Reply e2) Supposing that rational beings continue to exist and improve their
science, properties we cannot ascribe are truly ascribable. If the ascriptions
those future people in fact say are true, those properties exist now. If they
say things that are true, but not practically useful to us or them, yes. If
they are silly, yes. (That is, “If what they said is in fact said, it is
said.”)
Reply e3) Everything that could be ascribed, whether truly or not, by possible
language-users can harmless qualify as a property. Here is an analogy: Feet,
ells, paces, meters, and the like are all acceptable units, and I’m happy to
quantify over them all. For certain purposes, meters are much better than
paces. 163 What about units that could be used?
Consider the meter. In1984, the Geneva Conference on
Weights and Measures defined the meter as the distance light
travels in a vacuum in 1/299,792,458th of a second as
measured by a cesium-133 atomic clock. Change any one of the 163 Why are paces relatively crummy for physics? It could happen, even for a single pacer, that 1/290th of a distance was more paces than 1/289th of that same distance, measured again. The same problem arises for hands, cat-noseleathers and paws.
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digits of the denominator of that fraction, and you get a new
unit. The French decided to make the meter equal to 1/107 of
what they took to be the distance from the equator to the
North Pole, but lots of other choices were possible. So,
there are an unlimited number of units just as good as
meters, with other rational values for the number of seconds.
Any physical laws that can be expressed in the metric system
can be expressed just as well with these measures. There are,
of course, also a lot of relatively crummy (for physics)
possible units.Are those units, as it were, out there waiting to be discovered? We do
quantify over meters, but that does not show that there are joints in space a
meter apart. If the French had not been so fixated on the base-10 system, and
had instead used the Babylonian system or a hexadecimal system, physics would
be untouched. But the units of those unused metrics are only already there in
space in an innocuous sense that should not make us think that space is
crowded.
In the same way, from the neo-Davidsonian perspective on ontology, there
are indefinitely many kinds of being that could be posited. Just as there are
an infinity of ties for first in a physically useful metric, so there are very
many alternative posits that will supply singular terms and general terms for
articulating the world in equally effective ways, for any conception of
“effective.” Except “useful for us.”
As discussed in Chapter 3, since we are posits ourselves, and posit
ourselves as agents and language-users, the posits we can actually use must
retain those units. Radically alternative posits are not posits of language
users, so are not possible posits at all. But that says nothing about nature’s
joints and a great deal about us.
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II) Properties
There is a sense in which Davidson rejects properties.
Davidson rejects properties as metaphysical explainers of
predication. As discussed in Chapter 1, according to Davidson,
“`Is a frog’ is true of a if and only if a is a frog” is all
there is to say. Appeal to properties does not illuminate
predication. On the other hand, Davidson must acknowledge that
frogs are instances of the property of being a frog. Either there
are properties or else all positive ascriptions of the term
“property” are false. So, a property is something.
Whatever properties are, whether metaphysical components of
facts or what, with a subject, makes it true that an item has a
property, there is at least one kind of object that at least
encompasses properties. A kind of entity whose existence everyone
has to accept is “something ascribable to objects.” A
metaphysician like Armstrong may not think that every ascribable
is a property, but it is hard to see how ascribables could be
nothing at all. Some of the ascribables are complicated things.
Some of the ascribables are even impossible things, such as being
the guy who found an integral solution for n greater than two to
an equation of the form an = bn + cn , where a b and c are
integers.
The ascribables are abundant. Anything can be ascribed to an
object—any adjective phrase of any complexity can be used to
ascribe something to an object. So, whatever a philosopher’s
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metaphysical equipment, she has to also supply some kind of thing
for ascriptions to ascribe.
An ascribable cannot be a particular linguistic item, since
Francois and Fritz can ascribe the property of being a frog
without speaking English. However, they are somehow connected
with language, since the predicative expressions of a language
exactly coincide with the things ascribable by that language.
The departure of the account of properties from the accounts
of propositions and facts is the extension of Davidson’s (1968)
idea to non-clauses. Davidson’s idea can be extended to a number
of predicates which seem to create non-extensional contexts. The
comparative adjectives “good,” “expert,” and “skillful,” for
instance, as discussed in the Chapter 9, have the peculiarity
that when co-extensional predicates are interchanged, truth-value
may not be preserved. Syncategorematic predicates behave oddly as
well. Even though Gucci purses are the only high-end purses
manufactured by a company founded in Florence in 1921, a fake
Gucci purse is not a fake high-end purse manufactured by a
company founded in Florence in 1921.
Constructions which generate expressions for terms for
properties out of open sentences, such as “F-ness,” “F-ity,” “F-
itude” and the general and flexible construction “being -F”
demonstrate an utterance, the thing said, do so without an overt
demonstrative. Expressions such as “the property of baldness”,
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“the quality of mercy” and the like are then count-nouns in
apposition with these expressions.
Notice that some of these nominalizations make explicit a
kind of mass-noun understanding of the application of these
predicates. “Tallness,” “aptitude,” and “stupidity” admit of
degrees, by which I understand that there are quantities of such
features. That is, “John is tall” can be paraphrased as “John has
tallness,” that is, John has the abstract property of being tall,
or as “John has some tallness,” where “tallness” now is
functioning as something like a mass-noun. This mass-noun is
actually the primary way of understanding comparative adjectives,
as we will argue in Chapter 9. Tallness, as a quantity of which
there can be more or less, is a convenient kind of entity over
which to quantify.
The lack of an overt demonstrative should not trouble us.
Thus, just as “John believes the Godhead is a Trinity” is
perfectly good without the demonstrative “that,” so the predicate
“good” demonstrates a thing said by being followed by the mention
of a predicate. So, Chapter 9 will argue that “Fred is a good
nail-pounder” is something close to “Fred is a good that.`Nail-
pounder.’” Since Fred can be a good nail-pounder without being a
good carpenter, the comparative adjective “good” cannot be being
applied to a set. The same holds for “expert,” “adept,” and
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other words.164 “The property of being…” and “the property of
being a…” likewise create contexts where an expression strictly
outside the sentence is demonstrated.
Properties, qualities, attributes and the like are posits
with very loose identity-conditions-- quasi-equivalence-classes
of sentence-types in idiolects in circumstances. “What was said”
reported on the witness stand has different standards than in
normal conversations, for instance. The quasi-equivalence
relation is, as usual, “samesays.” (This is now theory and not
semantics.)
That “samesays” is intransitive should not be disturbing.
The relation “is the same sentence-type as” is also intransitive.
Two physically identical marks may be of different types,
depending on the intentions of the maker. In general, relations
that are usable may have what would seem to be anomalies. For
instance, “larger than” seems to be a well-ordering relation
among physical objects. For any two objects, A and B, either A is
larger than B or B is larger than A or they are equally large.
Rigel has a diameter equal to 74 solar radii; Mira’s is 320 solar
radii. But Rigel has a mass equal to 18 solar masses, whereas
Mira is 1.8 solar masses. Which is larger? Of course, for
purposes of physics, we refine “larger than” into the two
relations: “has greater mass than” and “has more volume than.”
164 “Better than” and “more expert than,” unlike “taller than,” appear to be relative to a class. Chapter 9 will explain this.
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But sentences like “Fred is larger than Bill” are still sometimes
true. And there is such a thing as largeness. Analogous remarks
would apply to many of the two-place predicates we apply in
ordinary talk. Just as a physicist can propose sharp relations as substitutes for her
purposes for ordinary terms, so a metaphysician can propose sharp criteria for
“same thing said.”165 Other refinements a theorist might propose are a notion
of property restricted to things said that are predicates of true physical
laws, or some other condition treating some ascribables as real properties and
others not. A metaphysician could claim some subset corresponds to causally
efficacious objects. Whatever well-defined notion a theorist adopts for
metaphysical purposes, such as constructing a theory of predication or giving
a metaphysics, that theorist must accept as well objects corresponding to the
generous notion of “thing said”, since, whether or not those things are all
properties in some strict sense, they are things—things believed of objects,
for instance.
On the account I propose, the properties just are the ascribables. So
properties have nothing to do with any metaphysical account of predication.
How could a quasi-equivalence class of abstract objects make anything be an
amphibian or have a negative charge? Every predicate clause has the form “`F’
is true of an object a iff F’a,” where “F’” is a predicate of the interpreting165 Some choices: 1) A predicate F says the same thing as a predicate G iff \/x(Fx<->Gx) is logically true.2) A predicate F says the same thing as a predicate G iff \/x(Fx<->Gx)is true in virtue of physical laws.3) A predicate F says the same thing as a predicate G iff \/x(Fx<->Gx)is true.4) A predicate F says the same thing as a predicate G iff \/xPr(Gx given Fx) and \/xPr(Fx given Gx) are both high. 5) A predicate F says the same thing as a predicate G if and only if F=G.
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language and “F” of the language being interpreted. That is all there is to
say about predication. On Davidson’s account of predication, the regress
difficulties with treating predication as a relation holding between the
property and the object beyond the relation “is truly ascribed to,” vanish.
There’s nothing more basic than “is true of.”
Other questions evaporate or change their form as well. Without having
properties as metaphysical components of things being true, what could be the
import of questions about whether substance dualism or property dualism in the
philosophy of mind was correct? From a Davidsonian point of view, these are
discussions about predicates.
IV Propositions and Facts
At a first glance, it might seem that a Davidsonian should
say that propositions are things said and that facts are true
propositions. This will not quite work, as we will see. Like
“property,” “proposition” and “fact” are count-nouns that can
occur in apposition to something indicated by “that.”
a) “That”-clauses and other nominalizations of sentences
A “that” clause is usually treated as one among several
devices by which closed sentences are nominalized, that is,
turned into referring expressions, nouns, as it were. So, for
instance, infinitive phrases can do the same work as “that”-
clauses. “Fred knows that Joe is a criminal” and “Fred knows Joe
to be a criminal” say the same thing. Likewise, it is difficult
to find a difference between “Fred believes that Joe is a
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criminal” and “Fred believes Joe to be a criminal.”166 In the
infinitive construction, there is no overt demonstrative.
One of the ways in which Davidson’s treatment differs from
others is that the “that”-clause as a whole does not designate
anything, since it is not a whole. The “that” is a demonstrative
referring to something that is not strictly part of the sentence,
but is rather an utterance which indicates something. What
exactly the “that” indicates depends.
“That” is multi-purpose—the demonstrative may refer to any
of a number of objects that are around. So, I might make a
gesture and say “Take that.” In response to a body-part donation
request, “that” might demonstrate my forearm. In response to an
insult, “that” might demonstrate a punch involving my forearm.
“That” can be interpreted as demonstrating entities in many
categories, while directly demonstrating a performance. For
example, the “that” in “That was published 40 years ago,” “That
has a dirty cover,” and “That is a crummy edition,” refers to a
work, to an instance of a work, and to an edition of a work.
166 When Joe is made part of the sentence, as in “Joe is believed by Fred to be a criminal” we have the problem of how to deal with “quantifying In” (Kaplan 1968). This is analogous to the problem of quantifying into “said to be” contexts. There is a difference between “John is said to be corrupt” and “The embezzler of the Wilpond fortuneis said to be corrupt.” If all that has been said is, “Whoever embezzled the Wilpond fortune is corrupt,” and John is the man, we cannot say that John is said to be corrupt. But if John is the Wilpond’s accountant, and the authorities say, “The Wilpond’s accountant is corrupt,” then John has been said to be corrupt.
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In the cases at hand, as we’ll see, “that” always
demonstrates an utterance, some immediately following words. But
how those words are to be interpreted will depend on much else.
“That” always demonstrates an utterance, but that utterance can
be taken to determine various entities, such as propositions or
facts. The “that” perhaps indicates a proposition. Perhaps a
fact. The contents of “that” clauses don’t refer at all. That is,
while “that” refers to the succeeding utterance, the utterance
itself does not directly refer to any kind of entity. Sentences
do not refer. But presenting a sentence as what Fred believes or
knows or is happy about can indicate some entity to be the second
argument of a relation of which Fred is first argument. “That”
will sometimes be interpreted as referring to an entity
determined by the contained utterance.
On a Davidsonian account, many other nominalizations are
treated in the same way as “that”-clauses. Just as the overt
demonstrative is optional in “Willard believes Ortcutt is a spy,”
so it is omitted in “Willard believes Ortcutt to be a spy.” A
Davidsonian semantics treats all “nominalizations” as
demonstrated expressions. So, infinitive phrases that complete
propositional attitude verbs are likewise demonstrated in the
speech-act. Why those expressions are being demonstrated varies
from case to case. Various objects are what the indicating
speaker intends.
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In addition to nominals that are complements of
psychological verbs and adjectives such as “true,” there are
nominals which designate events and states. The destruction of
the Roman Empire, the Roman Empire’s having been destroyed, and
the destroying of the Roman Empire all are nominalizations of
“the Roman Empire was destroyed.” Such nominals seem to be
descriptions of events or states. The Roman Empire’s having been
destroyed is a state of the world that came into existence, has
endured for over a millennium and will last forever. The
destruction of the Roman Empire and the destroying of the Roman
Empire are events that have duration, but are past. Such nominals
are relevant to the theory of facts, below.
Do all propositional attitudes, such as “wish,” “imagine,”
“think” state a relation between an individual and a proposition?
Only in some cases can “proposition” occur in apposition with the
nominal. “I think the proposition that I have a Ferrari” and “I
imagine the proposition that I have a Ferrari” are both at least
very odd. “I fear the proposition that a bully will be elected,”
seems especially odd, since the proposition is already in
existence. We would like to say that what is feared is that,
namely a bully being elected, a possible state. Perhaps we should
say that what are feared are threats. What we can say is that in
all such cases, the “that” indicates a set of same-saying
possible utterances of which the demonstrated utterance is a
token. Propositions are also the directly demonstrated objects of
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linguistic attitudes and predicates, such as “agrees,” “says,”
“declares,” and the like. In “John agrees that Fred is a frog,”
the “that” points to a thing said.167
I do not have a theory about why some predicates allow
appositives and other predicates do not. I also do not have a
theory of what the various kinds of objects with propositional
content might be, if we were positing special objects of fear and
hope, for instance. The variety of English “propositional
attitude” predicates is much too large to discuss them all here,
since the questions of this chapter are primarily about ontology.
However, one kind of difference among complement-taking verbs is
salient. I turn to that difference now.
b) Factives
Among the expressions that are completed by “that”-clauses,
some create intensional contexts but still allow the inference to
the content of the “that” clause. Such constructions, the
factives, seem not to be talking about propositions at all. For
167 The question may arise about what sorts of objects “wh” complements take, as in “Fred wonders whether it will rain” and “Fred wonders who is at the door.” These seem to be propositions and properties, respectively. For a Davidsonian, “yes-no” questions are presentations of sentences with the purpose of finding out their truth-values, if they are real rather than rhetorical questions. “Wh”-questions are presentations of open sentences with the usual purpose of finding out an argument that makes the resulting sentence true. Wondering whether Fred is a frog is an attitude toward the proposition that Fred is a frog of wishing to know its truth-value, roughly. Wondering who is at the door is wondering what the property of being at the door is true of.
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instance, knowing a proposition is not knowing that a proposition
is true. Before anyone knew whether Fermat’s Last Theorem was
true, every philosopher needing an example of a sentence that was
either necessarily true or necessarily false knew the proposition
that there are no integral roots of an + bn =cn for n>2, where a,
b and c are also integers. Now, some mathematicians at least know
that there are no integral roots of an + bn =cn for n>2, where a,
b and c are also integers.
“Knows that,” “is happy that,” and numerous other
constructions support the inference from the sentence to the
content of the “that”-clause. Some but not all of these
constructions happily combine with one or both of the count-nouns
“fact” and “state of affairs.” 168 “John knows the fact that Fred
is a frog,” is fine as is “John is aware of the fact that Fred is
a frog.” “John is happy the fact that Fred is a frog,” though, is
distinctly odd.
While some kinds of nominalization may yield propositions or
facts, other nominalizations yield facts rather than
propositions. “John’s being a frog amused Fred” is only true when
John is a frog. With “believes” the expression can only be “Fred
believed in John’s being a frog.”
c) Facts
168 Another count-noun that occurs with “that”-clauses, “case,” in the pleonastic “It is the case that Fred is a frog,” does not seem to occur with such verbs.
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I will begin by discussing some reasons why the obvious
idea that facts are true propositions will not quite work. First,
there are some anomalies when we substitute “true proposition”
for “fact” in the case of many verbs. We discussed “know” above.
Second, facts seem to be causes in many cases. The fact that the
wire was not grounded caused the fire. In “The fire started
because the wire was ungrounded” a state of affairs seems to be
cited as a cause. In “That the wire was ungrounded explains why
the fire started” it might be thought that the true proposition
“the wire was ungrounded” will do as well. But it is not the true
proposition, but rather the proposition’s being true that really
explains. Somehow, a proposition’s being true must be an entity
of some kind.
The account I will propose is roughly that facts are states
of the world. The fact that Fred is a frog is the world’s being
in a state such that Fred is a frog.
There are several desiderata a Davidsonian account of facts
should meet:
1) There should be more than one fact. Some pair of true
propositions should correspond to distinct facts. That is,
whatever facts are, they should somehow prevent the Slingshot
argument from being applied. In effect, this means that
substitution of co-extensive terms in sentences reporting facts
need not preserve truth-value.
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2) Facts should not involve mysterious non-relational bonds169
holding among their components. Facts are not combinations of
entities which account for predication or which are named by true
sentences.
3) There ought to be a fact corresponding to every true
proposition. In particular, a theory should accommodate negative
facts and general facts. It is certainly a fact that there were
dinosaurs in Connecticut and that Wheeler is not a dinosaur. A
Davidsonian theory of facts accommodates such facts effortlessly.
This desideratum requires some defense. The defense is a
follows: If “know” is a factive, that is, a relation to a fact,
then for any pair of facts A and B such that it is possible for a
person to know that A and not know that B, then the fact that A
is different from the fact that B. So the one-to-one correlation
between facts and true propositions seems secure.
4) True propositions should correspond to facts, in the sense
that there is a 1-1 function from true propositions to facts. So,
if someone wants to be a “correspondence theorist” about truth,
169 Non-relational bonds are required in order to stop the Third Man Argument. If the instantiation relation between an individual and a property is a relation, then there is a fact that this relation obtains between the individual and the property. Otherwise, there would be nothing distinguishing the mere co-existence of the three entities from the individual instantiation the property. But the obtaining of that relation is a three-place relation. The quadruple of that relation, instantiation, the individual, and the property exists whether or not the instantiation relation obtains between individual and the property. And so on.
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that is fine. This is the sense of “correspond” which motivates
Tarski to say that his account of truth is a correspondence
theory. It is obviously not a correspondence theory in the
metaphysical sense, that true predication needs an explication in
other terms.
5) If the fact that Fred is annoyed exists, it should have to be
true that Fred is annoyed.
6) Facts should not be entities that supply the metaphysical
ground for sentences or propositions being true. “`Fred is a
frog’ is true if and only if Fred is a frog” supplies an adequate
metaphysical ground.
Here’s a simple theory that meets these conditions, and is
available to anyone: Facts are states of the world. That is, a
given fact is a property of the world as a whole. It is a fact
that Fred is a frog just in case the world is such that Fred is a
frog. Facts are specified by the complements of “the fact that…”
expressions, and are the referents of factives. The “content
clause” specifies the state of the world. Roughly, the world is
such that the demonstrated proposition is true. More exactly,
that clauses of factives demonstrate states.
There is a distinct fact for every true proposition. To see
that this is that case, notice first that at least some of these
states must be distinct, since different states have different
modal properties. The fact that Fred is a frog could exist
without the fact that Fred is green existing. So, those two
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states cannot be identical. One could perhaps argue that
necessarily equivalent sentences should determine the same
states. It might seem plausible, that is, that there is only one
state of the world corresponding to “Two is even” and “The cube
root of eight is even.” But given that “know” is a factive, if it
is possible for anyone to know the first but not know the second,
they are distinct facts. If belief is required for knowledge,
then since two propositions are distinct if one can be believed
but not the other, these states of the world exactly correspond
to the true propositions.
The states that are facts might seem to be strange objects.
It is hard to see why. Given that the universe is such that it is
true that a transit of Venus took place in 2012, why is that not
a state of the universe?. It might be asked whether such a state
is a physical state. Given the fact about the transit, there are
clearly physical states of Venus, the Sun, and the Earth. Also,
there are physical events in which they are participants. For
every subject-predicate truth about a physical object, there are
states of that object or events that happen to that object.
“Being green” is a state of Fred, the green frog. But “Fred is a
green frog” does not refer—sentences are not referring
expressions. However, there is a state of the universe, that the
proposition that Fred is green is true. That’s a physical fact.
There are, of course, non-physical facts, such as that 11 is the
cube root of 1331.
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States are generally conditions of smaller entities than the
whole of existence. They are a kind of entity intimately
connected with events. For any event, there will generally be
states of the participants in that event. When Fred becomes
green, there is a time when Fred is in the state of becoming
green. When it is true that Fred is green, there exists a
temporary corresponding state of Fred, his being green. Once Fred
becomes green, he will be in a state of having been green as long
as he lives, whatever his future color history. States of
entities typically have an onset, a period of existence, and an
end-point. There are, of course, eternal states of eternal
entities. The number two’s being prime, for example, has always
been a state of that number.
Facts are states of the whole world. Some states of the
whole world, the facts about Fred,170 are temporary, some come
into existence and stay in existence from then on, and some are
eternal. The fact that Fred is green lasts as long as Fred is
green. The fact that Fred has been green continues in existence
forever once it comes into existence. Given that it is acceptable
to posit a tenseless “is,” the fact that Fred is green on October
4, 1974 is an eternal fact, a fact that has always existed. We
will see in the next chapter that there are no consequences for
170 Being “about Fred” is not a notion about which much can be said beyond something like “Fred is the grammatical subject.” That “Joe hitFred” is about Joe, while “Fred was hit by Joe” is about Fred seems tome to show that aboutness is not a semantical concept.
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the Philosophy of Time from the existence of such eternal facts,
since these states amount to nothing more than the truth of the
content proposition.
At this point, one could wonder how, since facts are
essentially constructs out of linguistic items, there could be
facts which have existed from eternity. After all, on many
accounts of the universe, there have not been language users from
eternity. Once again, this worry is an artifact of truth-maker
theories. Let us consider the facts about the universe of twelve
billion years ago, rather than eternity, which has its own
issues. Many of our sentences were true at that time, not to
mention sentences in other possible languages which say the same
thing. For a fact to exist at a time is just for the proposition
expressed by the sentence to be true. Facts as we have
constructed them do not make anything true. Rather, they are made
to exist by what is the case, the true sentences, ultimately.
It is perhaps worth noting that what one would take to be
the natural interpretation of “states of affairs,” the
alternative term often used for “facts,” agrees with my
understanding of facts. What are the “affairs” of which a
particular state of affairs is a state? The “affairs,” I take it,
are things in general, the world. So, a state of affairs is a
state of the world, the way the world is. If facts and states of
affairs are the same things, then the fact that Fred is a frog is
the state of the world that the proposition that Fred is a frog
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is true. The focus of so many thinkers on “truth-makers” of
various kinds to explain why truths are true may explain why this
conception of facts has remained hidden despite its overtness.
Since facts are states, and states, by the considerations in
Chapter 4, are often the relata of causal relations, facts can be
causes. So, sentences like “The fact that the building was full
of flammable material caused the fire to spread quickly” are
perfectly fine, as is “The building’s being full of flammable
material causes the fire to spread quickly.” States of
individuals can be causes and states of the world can also be
causes. A neo-Davidsonian has more than just events available to
be arguments of a two-place “cause”-relation and for describing
adverbial modification.
Facts will, at least prima facie, be as numerous as the true
propositions. They are distinguished from one another by being
derived from distinct propositions. Those distinct propositions
are given in what follow the “that,” the demonstrated utterance
or inscription. The content clause specifies a state of the world
in exactly the way that the content clause of “Joan is worried
that John will be early” specifies Joan’s worry.171 171 If a metaphysician wishes to have a conception of facts that identifies what are prima facie different facts as the same, the identity conditions of such postulated facts will be as tight as the identity conditions for “saying the same thing.” That is, whether the fact that Fred is below Susan is the same as the fact that Susan is above Fred will be dependent on context in the same way that the question whether in saying that Susan is above Fred you were also saying that Fred was below Susan depends on what standards are in
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So how do such facts meet the desiderata?
1) Such states of the world are distinct entities if there are
distinct propositions, which there are.
2) Since facts are specified by the complement of a “that”-
clause, there are as many facts as there are utterances that say
different things. That’s more than one.
3) Since the facts don’t have components at all, are not “made”
of properties and particulars, no bonding or anything else is
required, except that there is a possible language which
expresses that fact.
4) Facts that are puzzling from the Tractarian, combination of
entities with properties conception are not puzzling at all.
Negative facts are states of the world specified by negative
utterances. General facts are states of the world specified by
general sentences. Future facts are states of the world as well,
about which more in the next chapter. Briefly, the world is
either now in a state such that “Some humans will be alive in
4000CE” is true or not. If we posit a tenseless “is,” the
universe is also either in a state such that “Some human is alive
in 4000CE” is true or not.
5) A specified state of the world will only exist when the
specifying utterance is true. The state corresponding to “Fred is
a frog” is “the state that Fred is a frog,” where the “that” is
place.
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in apposition with “state.” This guarantees that all and only
true utterances/sentences correspond to facts. 6) It will also be true that the existence of a fact guarantees that the
corresponding sentence is true. However, “The fact that Fred is green makes it
true that Fred is green” should be understood in the way that “Fred’s being a
grandfather makes him a father” is understood. Fred can be a grandfather only
if Fred is a father, but the “metaphysical ground” of Fred’s being a father is
not Fred’s being a grandfather. So, “correspondence” and “making true” don’t
have anything to do with the theory of truth.
On this theory, the “identity conditions” of facts are the
same as identity-conditions of states. So, the identity-
conditions are not so clear, in many cases. Just as the identity
conditions for “same-saying” are context- and interest-dependent,
so the identity condition of states of the world specified by
“same-saying” are context- and interest-dependent.
7) To the extent that utterances and possible utterances, that
is, ascriptions, are acceptable and innocuous, facts are
acceptable and innocuous. Everyone, Davidsonian or not, can help
themselves to these facts.
Facts, according t construed in this way are not referents
of sentences and they are not truth-makers. Rather truths make
them.
Chapter 7: Future Contingents and Temporary Intrinsics
This chapter is an illustration of metaphysical questions
being dissolved by the Davidsonian truth-maker-free account of
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truth and predication. Whereas a Davidsonian is committed to
there being something to say about modalities and the nature of
propositions, properties and facts, puzzles about time are
different. One puzzle about time seems to be purely an artifact
of the truth-maker theory of truth. Another puzzle, about the
possibility of enduring objects, seems to rest on taking
properties to be metaphysical attachments rather than things said
of objects.
The passage of time has posed metaphysical difficulties for
metaphysicians for a long time. This chapter will discuss two of
those difficulties, the problem of future contingencies, which
leads some to non-classical logics analogous to those inspired by
the sorites, and the problem of temporary intrinsics, which calls
into question the possibility of objects undergoing change while
continuing to be the same object. The first problem is discussed
in Aristotle’s De Interpretatione, Chapter 9. The second problem
arose in response to Heraclitus’ position, as understood by Plato
and Aristotle, that nothing can survive change. Arguably,
Heraclitus’ problem shaped important parts of the metaphysical
systems of these two thinkers, and so of the rest of Western
philosophy, as we discussed in Chapter 2. Recently, new
Heracliteans have emerged with radical reconceptions of the
nature of reality designed to accommodate the Heraclitean
argument. This chapter argues that radical solutions to these two
problems rest on misconceiving the semantics of predication and
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of tense, and that a neo-Davidsonian approach to truth,
essentialism, being and semantics can solve both problems by
essentially endorsing common sense.
Many of the disputes in the philosophy of time are nearly
incomprehensible from the point of view of at least this
Davidsonian. The arguments among philosophers responding to
McTaggart’s (1908) by advocating for either the A-series or the
B-series, that is those favoring the objectivity of “now” and
those denying it, are about whether there are properties that are
expressed by tense. Given the previous chapter’s exposition of
properties, the answer will be trivially “yes,” but in a way that
neither side would deny. It may be that the claim of the B-theory
advocates is that indexicals like “now” and predicates like
“present”, “future” and “past” are like “phlogiston,” just
mistaken posits which are never truly applied. It is hard to see
how this last suggestion could be the case, since inferiority of
some predicates to other predicates covering the same ground is
not generally a disqualification for being true of things. Given
that “larger than” is an acceptable predicate even though it does
not well-order physical objects, and given that “is earth” is
true of objects even though chemical kinds are well established,
it is difficult to see how temporal indexicals could be
disqualified. That is, suppose it can be shown that a system
without the indexicals but using dates instead is better suited
to many purposes. That “greater in mass” and “greater in volume”
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are better dimensions that “larger than,” does not show that
nothing is larger than anything. In the same way, if reference to
times by dates rather than temporal indexicals is more useful in
physics, that does not show that the indexicals cannot be used to
say truths. Without the idea that there is exactly one way the
world is articulated, it is hard to get this dispute going.
Other disputes, those among Eternalists, Presentists, and
those like Tooley(1997) who regard reality as growing as time
marches on, concern the reality of the past, present, and future.
If “a is real” means “There are true positive sentences
quantifying over a,” then it is difficult to see why past and
future objects are not real. It is true of future objects, of
course, that, since they are future, there are no causal links
between us and them, so that we cannot refer to them. On the
other hand, with that deflationary characterization of “real,”
absent a truth-maker theory of truth, there is nothing in the
reality of future objects to support the mysterious idea that
future objects are, as it were, waiting for the present to get to
them. Since I do not know how to engage such views of time and
its passage, given my views about properties and reality, I will
not discuss the ontology of time. I will let the physicists
advise me.
This does not mean that there are no issues about time. A
Davidsonian would not deny that there are some deep mysteries
about the nature of time. There are current cosmological debates
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about whether time, space, or both space and time are fundamental
or rather arise from some more basic phenomena. While much of the
discussion is speculative, the speculation is grounded in
empirically-supported theories of what equations characterize the
world. To think that philosophical inquiries into the nature of
time, independent of the physics of space and time, could uncover
substantive truths that might constrain what reality can be like
is expecting a lot from evolution. Why should we expect that
organisms would evolve intuitions from their experience of
duration that would plumb the essence of temporality? That seems
no more likely than the idea that we would intuitively know that
energy and matter are at bottom the same or come up with the
periodic table a priori on the basis of our experience with
material objects.
The idea that there is some special subject matter,
metaphysics, with a domain of problems that must be solved before
an adequate physics is possible is not only incompatible with the
Quinean view that there is a continuum of abstraction from direct
empirical sense experience, but prima facie absurd. A Davidsonian
inherits the Quinean perspective, with an admixture of
Wittgenstein’s respect for natural language. The Davidsonian
project could be viewed as one kind of what Strawson (1959)
called “descriptive metaphysics.” Other projects, revisionary
metaphysics and revisionary logics, find incoherencies in the
judgments of “ordinary language” and propose metaphysical
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solutions that solve those alleged problems. The point of view of
this book is that such alleged problems arise from the
metaphysical point of view taken by revisionists, that there is
exactly one privileged partition of the world into objects and
properties, and that a truth-maker semantics of predication
reveals the metaphysical structure of the world.
On the contrary, according to the present neo-Davidsonian
position, the semantics of natural languages makes few
commitments about the issues that metaphysicians are concerned
about. Those issues are the province of investigators who try to
find out what the world is like by observing it rather than
thinking about how it must be.
The arguments to follow are against fatalism, alternative
logics for time, four-dimensionalism, eternalism, presentism, and
so forth. But they are not arguments that these views are
incoherent. The attack is on their motivation. Such views begin
with alleged difficulties in what we might call the “common
sense” conception of time and tense which difficulties the
revisionary account addresses. The arguments below are that the
alleged difficulties with the natural common-sense conception of
what things are like are bogus. The difficulties are artifacts of
accepting truth-maker theories of truth and predication or taking
properties to be metaphysical attachments to beings.
For Davidson, any alleged difficulties with the natural
common-sense conception of the world have to be squared with the
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idea that understanding a person at all requires assigning truth
to most of their fundamental beliefs. If there are deep
incoherencies in the natural conception of the world, then either
most of our beliefs are in fact false and we cannot understand
ourselves, or what we really mean is something other than what we
seem to be saying. But if what we really mean is something other
than what we seem to be saying, that is what we are saying.
So, the burden of proof is on someone who claims we are
mistaken in the common opinions that we can be correct when we
guess about future events and that objects last over time. If it
is in fact false that objects can undergo changes and be the same
object, huge swaths of our beliefs are mistaken. Powerful reasons
indeed would be therefore needed to show this. I doubt that there
are such reasons. This chapter surveys the reasons that have been
given and shows them to be inadequate to their task.
I Future contingents
Sentences about the future sometimes have undeterminable
truth-values. “October 14, 3932 will be a Friday” can be known to
be true.172 However, a sentence such as “One of Wheeler’s
descendants will be elected President of the US” is not known to
be true and not known to be false. Philosophers have argued that 172 It may not be absolutely certain. If time ceases to exist before that date
comes around, it may turn out to be false. One could also worry about the
possibility that the Earth encounters a very large asteroid and disintegrates
before 3932 or that its rate of rotation slows significantly enough so that
periods of sun and shadow last a week. What is the date then?
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such sentences have no truth-values and provide reasons to modify
our logic in order to accommodate their apparent lack of a
determinate truth-value. Other philosophers accept bivalence and
take the future to be now a determinate reality, albeit a future
reality, and enduring objects to be four-dimensional. Here are
the only two reasons I have encountered to think that future-
tense sentences with indeterminable truth-values raise special
problems:
Ia) The truth-maker argument
The first thought is that if it is in fact true that one of
my descendants will be elected president, the truth-maker making
it true must exist.173 We think that this event might not happen.
But if the sentence has a determinate truth-value, and has it
now, something must make it true or make its negation true. The
truth-maker corresponding to the truth must exist for the
relation to hold.
If truth is a relation to the world, then the relevant parts
of the world have to be there now for truth to be here now.
Here's an analogy: Suppose I am now a grandfather. Being a
grandfather now requires the existence now of my grandchildren.
The grandchildren must be real now if I am now a grandfather. In173 See Richard Taylor (1957) page 3, “The first assumption is a correspondence theory of truth, the minimum requirement of which is that in the case of any true proposition asserting some predicate of a particular individual, there is (tenselessly) a fact consisting of that individual having that predicate.”
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the same way, if truth is a relation to truth-making components
of the world then the corresponding truth-makers in the world
have to be there now for truth to be present now. It is
uncontroversial that a sentence that turns out to be true will be
true. If a sentence is true now, though, the future fact that
makes it true must already be in existence, albeit in a future
location. So in fact, if truth is a relation, either the future
is now determined by some existing truth-maker or sentences about
the future are neither true nor false. One might object that,
say, a table setting is already there, but can be changed. But,
if the truth-makers themselves are truth-makers for future-tense
sentences, and they now exist, then changing them would make them
not only not exist, but never have existed.
The argument for the case of the truth-value True as set out
in premises would run as follows:
1) Truth is a relation between a sentence (or proposition or
other truth-bearer) and a truth-maker.
2) For the truth relation to obtain at a time, both the sentence
and the truth-maker must exist at that time.
3) Either:
a) Truth-makers for sentences which will come true now exist, and
those sentences are now true; or
b) Sentences which will come true are now neither true nor false.
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This argument gives yet another reason to follow Davidson
and others in junking truth-makers, treating truth as a one-place
predicate, and taking “’It will rain tomorrow’ is true if and
only if it will rain tomorrow” as a complete and adequate
expression of the truth-conditions of “It will rain tomorrow.”
Without truth-makers and without truth consisting of a relation
of sentences to such truth-makers, this truth-maker consideration
for taking sentences about the future to be truth-valueless
collapses. One of the premises, premise 1) is false.
Ib) The range of the quantifier
The form of “One of Wheeler’s descendants will be elected
President of the US” would appear to be (with “D” the “is a
descendent of” relation and “P” the “is elected president of the
US) something like “Ǝx( Dxw /\ Px)” or perhaps “ƎeƎx(Dxw /\ Ee
…)”. That is, the sentence would appear to be a quantification
over future individuals or future events.
Ib1) Future objects?
It looks like we are quantifying over future objects. If the
future is fixed in the sense that the future truth-maker, though
future, is now available to be referred to, future objects
available for reference now would be determinate individuals who
happen to be located at a space-time point whose temporal
coordinate is in the future. Future objects being available for
our reference is a main attraction of the four-dimensionalist
conception of enduring objects. If the future is not fixed,
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future objects are inhabitants of select future possible worlds
which, as it happens, turn out also to be actual worlds. Of
course I have very many distinct possible descendents who get
elected, even if it never happens that one of my descendents is
elected. So, the quantifiers have to range over possible future
objects, and somehow select the actual future objects, the ones
that actually come into existence. If there are now many ways
things could turn out but only one way things do turn out, the
truth-conditions of quantified sentences about the future (if
they are either true or false) require possible future objects to
be available now, and a special feature of the possible objects
that become actual.
What a Davidsonian should be interested in is the semantics
of tense. This puts the Davidsonian into the camp of those who
“take tense seriously.”174 What is characterized as “temporal
logic” are various attempts to systematize the strong
resemblances between the tenses and the modal predicates. My
Davidsonian appropriation of such attempts is as follows: I like
almost all of them, and am happy to adapt them by treating modal
operators as predicates of things said. Most temporal logics seem
to be very interesting theories of the truth-conditions of
predicates of things said. My only difference from any such
theories is that I think they are theories and not proposed
174 A pioneer in this regard is, of course, Arthur Prior, in numerous
publications, for instance, Prior (1968)
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logics or semantics. Reading the literature on the varieties of
tense, we find there are various difficulties and counter-
examples to theories. I am happy to have the specialists on
English tenses figure out a theory of how these predicates are
inter-related. A Davidsonian can appropriate tense logic
seamlessly, treating operators as predicates of things said, as
usual. That is, the same reinterpretation of modal logic that
turned quantifications over possible worlds into predicates of
things said turns tense-operators into predicates, and leaves the
law-like relations among those predicates to theorists, rather
than semanticists.
I should mention perhaps just one way in which a Davidsonian
appropriation dodges certain issues. The relation between “John
is happy” and “There will be a time at which John was happy,”
from the point of view of this book, is not logical consequence,
but a theorem of the theory of a modal-like temporal predicate.
The past component of “was” is a predicate, not a part of
structure. In the same way, the automatic inferences that seem to
be part of logic from the point of view of temporal logicians are
from the present point of view, the results of knowledge of laws
connecting the temporal modal predicates.
One well-worked out way to conceive of the future along
these lines while allowing that the future is not yet determinate
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is Storrs McCall’s(1976) conception of branching worlds.175 The
picture very roughly is that the future consists of infinite
branching physically possible worlds, where each moment in the
future corresponds to a node from which a number of physically
possible branches proceed. As the present moves into the future,
all but one of the branches from the node at which the present is
located are eliminated, and the past includes only the one
remaining node. The future at any moment consists of a vast
number of possible ways things could turn out, all but one of
which get eliminated from reality.176 Each of these ways is, as it
were, populated by possible beings.
This way of picturing time is a version of a realist
conception of possible worlds, restricted to what is physically
possible and further restricted by a particular starting point.
The future of a given moment is a set of possible worlds all of
which share a common past, and so have all past and present
objects as common parts. The possible worlds are the possible
paths through the tree. So a single possible world is a sum of
successive moments. Depending on what sort of physical state the
initial point is, various alternatives exist at every moment. All
but one of these is “eliminated” at each moment. “Eliminated”
means “become merely formerly possible.” Things that could happen
175 This is an early one of many papers McCall has written touching on this topic. 176 On McCall’s conception, these ways have different probabilities, dictated
by the truths of quantum mechanics.
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become things that could have happened. Thus “elimination” would
seem to be more “demotion,” since things that could have happened
could still available to be referred to.
On McCall’s conception of possible worlds, the same possible
individual inhabits many possible worlds. Your actual course
through time is one of several of your possible courses through
time. McCall thus manages to capture the Kripkean intuitions that
alternative histories are histories of individuals with a
realist conception of worlds. So, if a particular individual gets
elected under many different circumstances (as will certainly be
the case) those distinct possible worlds will be ones in which
that individual is elected.177 The passage of time from the past into
the present and into the future makes all of these objects real,
but demotes alternative presents and futures deriving from
demoted paths. At any point, there is only one actual past and
present, but all the alternative pasts and presents, which had
once been accessible, are no longer accessible.
McCall’s branching theory of the passage of time has
branching individuals each of which inhabits (is a part of) many
possible worlds. At any time, individuals have branching futures,
but pasts that consist of exactly one actual branch and lots of
once-but-now-possible paths. As time passes, all but one of an
177 There are other, distinct descendants who could be elected. When
those individuals either do not come into existence or die without
having been elected, they still could have been elected.
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individual’s branches at a moment become former branches. At the
end of its existence, a possible individual will consist of a
single path.
For many purposes one could upgrade “extinction” to the
modal feature “used to be possible.” An individual’s paths that
used to be possible will still be (extinct) possibilities that it
once had. At any point in time when a possible individual exists,
though, it will have many possible futures, all but one of which
will eventually be “used to be possible” futures. McCall’s
individuals, since they are elements of branching paths
This would yield two grades of possibility: The still-
possible worlds include the world that will eventually be
selected at the end of time, but the population of still-possible
worlds changes as time passes. In fact that is what it is for
time to pass. At the end of time, the population of still-
possible worlds has been pared down to one. But the population of
once-or-still possible worlds is constant. The possible worlds in
the once-or-still possible sense at the end of time will be
single collective paths through the tree, but those sums of
objects share components with many other paths. So possible
worlds have shared parts.
So the branching individuals, as we would hope, undergo
change as time passes. Consider an actual object on its deathbed.
It is still a branched object, as it has always been. Many of its
branches have changed from still-possible to used-to-be-possible.
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So it has, now, these modal properties. It, the total branched
individual, is at every point an element of many possible worlds.
The possible worlds of which it is a part are themselves branched
objects, where the branching starts at the point of origin of the
branched individual.178
If we consider the whole branched individual, everything
that happens to that individual on any branch is something that
could have happened to the individual. Many of these complicated
modal features will be chains of conditionals—if I had dropped
out of high school and become a safe-cracker and been caught and
served time, then I could have a tattoo. The important point for
my purposes is that all of these modal features are features of
the actual individual. Looking ahead, McCall’s picture of an
enduring individual gives a model of what I call below the “CV”
of an individual.
McCall’s way of picturing time makes the quantification
easy. We are quantifying over possible individuals and, in the
quantification, requiring that they be in the selected world.
“Selected” means “turns out to be actual.” Of course, many, many
178 An option for a David Lewis charmed by McCall’s picture would be to treat “actual”, “still-possible” and “used-to-be-possible” as indexicals as Lewis does, so that each path is actual but onlyfrom its point of view. That is, the erasure of alternatives as one moved through time would be perspectival. Then the branched individuals would be a single branched object with no objective distinctions among the branches about which is more real.
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future possible objects are descendents of mine who are elected
president. The quantification will come out true if one of those
possible people is at some point an element of every possible
future. So, “A descendent of Wheeler will be elected president”
is “There is a possible object which is a descendent of Wheeler
and is in a selected world and is elected president in that
selected world.”
I think McCall’s theory of time might be correct. It seems
to capture the flow of modalities that characterizes the passage
of time. However, it is hard for me to believe that this theory
is imbedded in the semantics of tense. On the other hand, just as
(as I would advocate) the connection between “Not all frogs are
green” and “Some frogs are not green” is not strictly part of
semantics, but a part of set-theory, so with the tenses. The
inference from “Fred was a frog” to “`Fred is a frog’ was once
true” will be a theorem of a theory, not a logical truth.
1b2) Ontology-free tenses and modality
As the reader will remember from Chapter 5, on modality,
there is at least one non-reductive alternative to possible world
semantics. Here is the analogous view applied to tenses: The
tenses should be treated as akin to modals, and treated in the
unilluminating (perhaps) way that a Davidsonian can treat
modality.179 McCall and others are correct to see a strong analogy
179 The future tense in English is a modal. In languages with future tense verb
forms, my claim is that the tenses are modal-like, in that they are, like
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between tense and modality. McCall has a very plausible theory of
what it takes for temporal (and other) modal sentences to be
true. But McCall’s account is part of physics (or, if you insist,
metaphysics, since his essays on how to accommodate special
relativity with quantum mechanics are compatible with a great
many particular physical theories). Just as it is not part of
semantics that a truth-condition of “Zoe is a Labrador retriever”
is that Zoe is a dog, so the existence of possible worlds is not
part of the semantics of “It will rain tomorrow.” In my terms,
McCall’s account is a theory of tenses. The formal agreement I
have with McCall is that he recognizes that tenses are modal-
like. He happens to have a particularly interesting theory of
these quasi-modals, but that is not really relevant to the
semantics.
My proposal is that, just as a Davidsonian can treat
accounts of the modals as parts of theory and not part of
semantics by taking modals to be semantically primitive
predicates of things said, so can a Davidsonian account of tenses
re-phrase any tense-logic180 as an account of the truth-conditions
of predicates. Among the tense-logics that deal with the
multitude of of detailed differences within and among the ways
modals, predicates of things said. 180 Following Davidson (1967a) page 32 I regard tense-logics and not really
being logics at all.
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languages deal with temporal passing, I do not have a preferred
candidate.
So, if we think of tenses as akin to Davidsonian modals, the
semantics tells us relatively little. Tenses are predicates of
things said, just as “possibly” and “necessarily” are.
Davidsonian primitivism applies to tense predicates as well as to
modals. This means that the apparent quantification in “One of my
descendants will be elected president” does not have the form of
a quantification, but rather is a modal predicate applied to a
quantified sentence. “There is someone who might celebrate New
Year’s Eve in 2300” differs from “Someone might celebrate New
Year’s Eve in 2300” in that the first is a quantification-in,
claiming that there is someone who will live that long, while in
the second the quantifier has narrow scope. In the same way, the
“someone” who may be only a future individual in “Someone will
celebrate New Year’s Eve in 2300” has narrow scope inside the
thing said characterized by the temporal predicate. So,
schematically, the respective forms are: “Ǝx( Will that. Cx)” and
“Will that. (ƎxCx).”181
181 There are significant differences between our talk about past objects and
our talk about future ones. We can refer to past objects using names because
there can be a causal chain between us and past individuals. The chains
connecting us to future objects go in the wrong direction. So, even if I know
that my great grandchild will be named Samuel C. Wheeler VI, my reference to
that future individual will be via description, “The great-grandchild of
SCWIII who will be named SCWVI.” That description could turn out to be true
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To the question, “What do temporal predicates say?” the
Davidsonian answer is like the answer to “What does ‘is a frog’
say?” The answer in that case would be “’Is a frog’ says of an
entity that it is a frog.” In the same way, the future tense and
past tense say of an item with truth-conditions that it is future
or that it is past. If our language had other kinds of primitive
temporal predicates, as Hebrew does, for instance, the truth-
definition clauses would be similar.
Quantifications over future objects, then, give no reason to
regard truths about the future as problematic. The truths about
the future involving quantification over not-yet-existent objects
do not require that the future be now determinable. Even if we
insist that future possible objects exist in order to be
quantified over, there is still no argument, apart from one that
presupposes truth-makers, for supposing that future tense
sentences either have some exotic truth-value or are now fixed by
a currently existing fact. McCall’s theory allows future-tense
sentences to be true or false, apart from any commitment to
truth-makers.
Another question is whether the present tense, as well as
other tenses, is something like a modal. If the present tense is
modal-like, it is a kind of null-modal that delivers the truth-
conditions of the predicated sentence as its truth-conditions. A
of various possible individuals, depending on the procreation behavior of my
descendents.
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former roommate of mine always prefaced his remarks by “It is the
case that,” a kind of inert modality. Thus “It is the case that
it is raining” is true if and only if it is raining. In some
sense, the present account treats the present tense as a sort of
surrogate for the naked truth-conditions.182
To defend the “deflationism:” McCall’s theory gives a nice
account of why it is I cannot avoid a high school diploma even
though I once could have. On my account of temporal predicates,
being purely semantic, there is nothing much to say about this
other than that’s the way it is. The passage of time is reflected
in “can”s becoming “could have”s and sometimes “could have but
now can’t”s. Modal primitivism, as discussed in Chapter 6, is a
natural consequence of rejecting the analytic-synthetic
distinction and adopting the paratactic conception of intentional
contexts. McCall-type accounts, being essentially modal-like
accounts, strongly support the idea that whatever account one
182
? An option is to think of tenses as predicates qualifying a sentence in the “timeless present,” regarding the timeless present as the naked sentence. A timeless naked sentence “Fred ispresident” would be true sometimes and false sometimes. The tense-predicates would indicate when the sentence was true relative to a demonstrated time. “Two is now an even prime” would be odd, but true, as would “Two was an even prime” and “Twohad been an even prime before the French Revolution” and other such remarks. The difficulty would be that most naked sentences would not have truth-values except relative to a time of evaluation. In effect, this would treat tenses as fillers of argument-places.
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gives of modals, there is an analogous account of tense. But the
semantics of tense is a great deal simpler than a theory of how
the tenses work together and what the law-like relations are
among various tenses.
Just as with modals, on the present account, the semantics
doesn’t tell you what possibility and necessity are, so with
tense. Temporal primitivism is an account along the same lines as
modal primitivism. A semantics of time is not a theory of time.
It is an account of what the predicates are, but not an account
of what it takes for any particular temporal predicate to apply
to a sentence. That is an important job, but it is not a job that
is part of semantics.
II) Enduring objects
IIa) History
Why should there be a problem about enduring objects?
Heraclitus, as noted, seems to be the first to have argued183 that
there is some problem with enduring objects. His argument is
simple: If something changes, it becomes different. If it is
different, it is not the same. But every object is the same as
itself.
183 It is not very clear that the historical figure Heraclitus argued for his
theses rather than regarding them as insights to be transmitted by
illuminating aphorisms. It is clear that from at least Plato on, he was taken
to have a view for which arguments could be given that needed a response.
Heraclitus and Heracliteans are addressed both in the Theaetetus and the Sophist.
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One narrative of classical philosophy takes Plato and
Aristotle to respond to the Heraclitean argument as they
understood it. Plato can be read as responding to this argument
by distinguishing intrinsic from relational changes.184 Thus
objects which undergo no intrinsic changes could endure. The Form
of the Good, for instance, can endure even though people only
intermittently think about it.
Aristotle can be read as distinguishing among intrinsic
changes those that bring about a different substance from those
that modify a continuing substance. Accidental changes are those
that an entity survives; essential changes result in the entity
ceasing to exist. What remains after an accidental change is the
same entity to which the change happened. What remains after an
essential change is something other than the entity to which the
change happened.
Aristotle’s can avoid Heraclitus’ argument by claiming that
there are two senses of “is the same as”—the “same” can mean
“numerically the same” or “the same in some feature.” But even if
there are two senses, they are necessarily related. If A is
numerically identical to B, then every feature of A is also a
feature of B. Thus Aristotle’s account of “is the same substance
as” does not really solve the problem of how the same thing can
undergo change and remain the same. Aristotle in fact allows that
the same thing is simultaneously in some sense several things.
184 Theaetetus 155a3 ff.
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The person-with-accidents is different from the person considered
as a soul, for instance.185
Leibniz is a Heraclitean with a metaphysics. His principle,
that if A = B, then anything true of A is true of B, seems to
entail that nothing can undergo any kind of change whatsoever, if
“anything true of” is taken to mean “any open sentence.” He
accommodates this apparent truth by eliminating time, a course
which is approximated by many of his recent acolytes. If “weighs
over 150 pounds” is true of the adult and not true of the baby,
then the baby cannot be the same as the adult. If “same person”
is just a special case of “same,” then, apparently, the baby
cannot even be the same person as the adult. Enduring objects are
eliminated by fiat on such a view.
Lewis, like Leibniz, accepts Heraclitus’ argument, with some
qualification explained below. His solution to the “problem of
temporary intrinsics,”186 is to accept Heraclitus’ conclusion that
there are no lasting objects. However, for Lewis, there are
objects—they are instantaneous or of atomic duration. 187 Whereas
185 Metaphysics Z. Aristotle has the resources to answer Leibniz’ version of Heraclitus’ challenge, as Jeffrey Brower’s (2010) shows. Aristotle’s solution invokes “qua” objects, which are more expensive than necessary, according to the CV theory I propose below. 186 Lewis (1986) page 202.187 Heraclitus and the other ancients saw no difference between an object that
existed for no time whatsoever and no Being at all. It is puzzling how four-
dimensionalists hold that there is a determinate number of such instantaneous
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Heraclitus portrays people’s view that there are lasting objects
as an illusion engendered by the regularities induced by the
logos, Lewis regards lasting objects as composites of
instantaneous objects. The main substantial differences on this
topic are that Lewis fills in detail, is rather less aphoristic,
and writes in English rather than Greek.
IIb) Was I ever a four year old?
If Leibniz’ Law means that anything that is truly said of A
can be truly said of B, then no tensed predicates apply to
anything. Tensed remarks about the blond cutie (“He is four years
old”) would be false about the curmudgeonly adult. But the number
two is likewise in trouble, serenely unchanging though it appears
to be. It is now being used as an example by Wheeler. That remark
will not be true of it this evening. This is of course a
relational feature, but that shows that even Plato and Lewis will
have to construe Leibniz’ Law as not about true predications, but
about features in some restricted sense, in which truths about
temporary relations do not count. Otherwise, even eternal objects
such as the number two and the set of possible worlds will not
beings at a given instant. Like Heraclitus, they must think that patterns of
“natural” features at locations separate out beings from gerrymandered worms.
But this is to read off the instantaneous objects from the pattern, rather
than constructing the patterns from the instants. Heraclitus would acknowledge
that there are “natural properties” in this sense—the Logos brings it about
that such illusory things as people, chairs, stars, etc., emerge and can be
relied on.
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survive change. Unless temporal remarks are reconstrued, either
there are no objects which endure, or tensed remarks are never
true.
In ascribing features from the truth of tensed predications,
Plato and Lewis restrict truths about the changing relational
predicates true of an object to expressions of relations between
objects, properties and times. Leibniz’ Law applies only to
intrinsic properties of objects, since nothing about the object itself
has changed when it enters into a different external relation at
a different date. “Two has not been used by Wheeler” becomes
“There is a time x at which two is not used by Wheeler at x.” The
tensed predicate “was used by Wheeler” is disqualified as a
counterexample to Leibniz Law. Thus Lewis’ formulation is the
problem of temporary intrinsics rather than the problem of
temporarily true predicates.
The tense-as-like-modals account can agree with Leibniz’
Law. It is surely correct that if A is identical to B, then any
feature of A is also a feature of B. Like Lewis and Plato, we have
to be careful about what a feature is. The present account will
agree in many respects with Plato and Lewis.
Lewis in effect maps tensed sentences onto untensed two-
place predications of times which “say the same thing.” So, “Fred
will be happy” is mapped onto “There is a time future from now at
which Fred is happy.” We can do the same thing. We can take a
feature of an object to be the de-tensed and dated content of a
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present, future, or past tense truth about the object. A
feature, that is, is what is ascribed by a dated predication. So,
the features of an individual A that has undergone changes in any
predicates true of it will be in essence a list of pairs of
predicates and dates. If we take the total of the contents of
tensed sentences that are true of an individual, we have what we
might call the individual’s Curriculum Vitae. The CVs of Sam in
1949 and Sam in 2012 are identical. Of course, given the view of
future contingents described in the first section, there are
truths stateable about Sam in 1948 that could not have been known
and were not determined by anything at that time to be truths.
Truths do not need truth-makers. However, the very same dated
truths, as well as all the quantified truths ascribing temporary
accidental intrinsic (=one-place predicates), are true of me now
and were true of me in 1948.
There is no reason not to take the future, past and present
truths about an enduring entity as the features that of course
are the same by Leibniz’ Law. If it is admissible for Lewis, it
is admissible for a Davidsonian. That the contents of those
truths are expressed with different modal-like predicates is just
part of what it is to be an enduring entity that changes over
time.188
188 Remember, we are talking about Sam in 1948, not Sam-in-1948. While there is no reason to deny that there are lives, stages of lives and instants of lives of people, and perhaps no reason to deny exotic compounds of people-plus-times, there is likewise no reason to suppose
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An objection at this point might be that what Leibniz and
others have in mind by Leibniz’ Law is not predicates being true
of objects, but rather objects having properties. Wheeler is now
someone who has taught Philosophy 5301. It would indeed be
difficult to find that property, in the sense of a component
attaching as a dependent particular, by carefully examining the
four-year old. Given a metaphysical view that predication
ascribes such components to the substances to which they are
subordinate, there is indeed a real problem about how objects at
different times could be the strictly the same. To be a proper
endurantist, you seem to need to posit properties of the four-
year-old that are already future instantiations of properties.
Or something. Despairing, you could reasonably be driven to four-
dimensionalism or some other such view.
These considerations seem to me to be very good reasons not
to think of Leibniz’ Law in metaphysical terms, and to constitute
yet another reason to agree with Davidson’s conception of the
metaphysics (or non-metaphysics) of predication: That what it
takes for “There have been frogs” to be true is that there have
been frogs. There are, of course, properties of things, but we
that people are compounds of such entities. By the perspective on “ontology” from Chapter 3, people and other enduring objects are single entities with spatial parts and temporal spans. They have partsand exist for spans, but, while they may coincide with collections of spans or parts, they are not identical to those sums or sets. None of the objects we posit need get in any of the others’ ways.
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have seen in Chapter 6 that such properties are metaphysically
innocuous and inert. Metaphysics only causes trouble. Who needs
it?
It is important to see how this account of enduring objects
fits with the relative essentialism of Chapter 3. In Chapter 3,
we argued that ascribing modal features is part of positing kinds
of objects. Distinct modal predicates being true of persons and
their worms in fact is what distinguishes people from their
worms. Modal truths about an enduring object change as rapidly as
non-modal truths. Those temporal modal truths are replaced by
other modal truths. In 1948, it was true of me that I might drop
out of high school. That is no longer something I might do. It is
now necessary that I went to Carleton College, but it was not
necessary before. My CV will therefore not include these
particular passing modal truths. But the CV will include more
complex modal truths, such as that it was possible for me to drop
out of high school until early June of 1962 but not thereafter.
That is, corresponding to every change in modal truths, there is
a dated truth about that change. The complete CV will catalogue
the modal changes that McCall’s branching trees model.
The CV of an enduring object will be very different from the
CV of the object’s corresponding worm. Supposing my coinciding
space-time worm is worth positing, it will have an entirely
different set of modal truths. At no time will it be possible
that my worm went anywhere other than Princeton. My worm could
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not have visited Cooperstown, NY. The worm is a particular path
through the tree, so its possibilities are limited to futures
after the stage at which I have died and left my worm to fend for
itself. That is, the worm is a mereological sum of possible
object-stages, so it did not have alternatives during its
duration.189
It is worth seeing how this distinguishes among coinciding
enduring objects, such as the statue and the lump. Suppose a
statue made of a mass of gold comes into existence instantly by a
vapor-condensation process and a few years later is completely
converted into energy instantly, so that the statue and the lump
have exactly the same CV, restricted to actual features. Modal
features, such as “could have been an ingot on June 22” will be
true of the mass of gold but not of the statue. The two enduring
objects both survive changes, but some of the changes they
survive are different. The lump will have the potential to become
an ingot throughout its career, where the statue will not. The
lump will have the complex feature “possibly an ingot on June 22
until June 22 and not possibly an ingot on June 22 after June 22”
where the statue will not. The modal CVs of the lump and the
statue are different, and so they are different objects. 189 It would be possible to adapt a Storrs McCall story to a kind of worm whose
only difference from a person was that it was a collection of stages. We would
then have an entity that could have different parts, like my book collection,
which is not a single object, but has always had modal properties. It is
something other than a mereological sum.
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So, “endurantism,” the thesis that objects such as people
and monuments endure through time as the same object, scarcely
qualifies as an “ism” at all. The alleged difficulties that
Heraclitus and others find with the thesis are self-inflicted
binds that metaphysical misunderstanding of predication brings
about. A Davidsonian understanding of predication and modality
shows the “paradox” of surviving change to be a paradox only
given unmotivated and unjustified theses about the ontology of
predication and felt but not real necessity of reducing the modal
to the non-modal.
Chapter 8:The Sorites and Davidsonian Innocuous Epistemicism190
The sorites argument and the ontological problem it raises with
essentialism was the core of my argument in Chapters 2 and 3 to
abandon monistic essentialism, the idea that reality is
intrinsically articulated into beings and properties. If there
were precise and systematic delineations in micro-particle terms
of the objects of ordinary life, we could happily be neo-
Aristotelians, regarding the medium-sized objects and organisms
he took to be basic substances as respectable entities, but
entities having compound natures derived from more the more
fundamental natures of the micro-particles into which nature was
articulated.
190 An early version of some of this chapter was presented at the conference on
“Davidson and Pragmatism” at the University of Zurich, 27-28 April, 2010.
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According to the relative essentialist account of ontology,
vagueness could seem to be a feature of objects themselves, not
only of language. The objects and properties posited are by and
large informally posited by whole cultures or organic lineages.
Precise definition relative to other posits is much too much to
expect from such posits. For the vast majority of such posits, it
is quite unlikely that anything in the positing would provide
necessary and sufficient conditions for an entity being of the
kind posited in terms of any other posits. Furthermore, for
perceptual predicates, those primarily directly applied by
acquiring involuntary perceptual beliefs, it is very unlikely
that those perceptual dispositions will divide possible cases
into those which elicit the belief that the predicate is true in
a case and those which elicit the disposition to believe the
negation of the predicate is true.
The view I will argue for is that the objects themselves are
quite precise, and have sharp borders, in a sense. It will always
be true that “is red” is true of an object if and only if it is
red, even though at some point in a continuous change from red to
orange, speakers cannot say whether or not a color-patch is red.
Likewise, everything is either a chair or not a chair. This
chapter will argue for a kind of innocuous epistemicism without
truth-makers.
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Predicates subject to the sorites, that is, almost all
predicates, divide into two kinds: First, there are a few one-
dimensional predicates, such as color-words and comparative
adjectives of dimension, such as “tall” and “warm.” Such features
can be placed on a continuum and ordered, so that for any two
items, either the first is taller than the second, or vice versa,
or they are equally tall.
The vast majority of writing on the sorites has focused on this
first kind, the one-dimensional cases. In fact, the complicated
“dimension” baldness is often treated as if it were solely a
matter of number of hairs on a head, rather than some kind of
combination of numbers and distribution and location (consider
Ben Franklin with his wide expanse of bare scalp, but dense hair
at the edge). The illusion is thus generated that the sorites can
be fixed by dealing with the arbitrariness of any dividing line.
In the first kind of problem predicate, since we have a continuum
along a single dimension, we can imagine that the difficulty is
that of coming up with a demarcation. All we need to do is decide
where to draw the line. Since the language-community and our
language-learning practices have not established such a line,
unlike the case with “adult” or “is old enough to genuinely
consent to sex,” the natural suggestion is that there are a
variety of acceptable demarcations, yielding supervaluation.
Another idea is that we really use a logic with tolerance for
either “is both tall and not tall” or “is both tall and not tall”
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can be assigned to language users which will accommodate these
borderline cases while preventing speakers from inferring that
every sentence is true.
Second, there are predicates such as “bald,” “chair,” “human
being,” “nice”191 and virtually every count-noun. In such cases,
there is not only more than one dimension, but it is often
difficult to see how the question could be put in terms of any
number of anything that would seem to be any number of
dimensions. There is nothing close to a well-ordering in the
borderline area. I am quite certain that a collection of objects
such that it is difficult to say whether they are chairs could
not be ordered in any helpful way. There will of course be
objects such that one is clearly more a chair than the other.
For predicates like “chair” or “person” it is hard to see how any
kind of precisification would go, since there are so many ways a
thing could be defective. A good example of a predicate to which
it has proven to be difficult to apply “acceptable”
precisifications is the topic of Wheeler (1980). There the
predicate under discussion is “has a right to” and the relevant
sorites step is “is not ethically significantly different from.”
A chain of cases goes from a person’s right to move their body to
unlimited property rights. But no precisification of “has a right
191 “Nice” is Rosanna Keefe’s (1998) example in a paper making some of these
points.
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to” is uncontroversial. Rights and their limits are a hotly
contested topic in political theory. With some exceptions, no
theorist thinks that another theorist’s precisification is
acceptable. If “acceptable” means more than “acceptable to me,”
then “precisification” and supervaluation will not be effective
solace here.
I have always taken the fundamental question raised by the
sorites to be metaphysical rather than logical.192 The most
important lesson of the sorites is that the natures of the
objects of ordinary life and their properties cannot be complexes
of the natures of the objects that the sciences tell us about.
The central motivation for the relative essentialism developed in
Chapters 2 and 3 is to save the reality of medium-sized objects
and their features from the hegemony of physics. Relative
essentialism allows medium-sized objects to have natures. It does
not have to describe how such natures relate to the basic natures
of reality, because it denies that there are any basic natures.
The sorites makes the problem and solution clear.
In Wheeler (1975), I suggested that the sorites posed a serious
dilemma for monistic essentialism, a view I was then considering.
If the world consists of given individuals and properties, and
predication is understood as a property being instantiated in an 192 Eubulides, the inventor or purveyer of the paradox, likewise thought the paradox was primarily of metaphysical significance. He took it, along with hisother paradoxes, to be a demonstration that Parmenides was right. See Wheeler (1983). As Peter Seuren (2005) also notes, Eubulides’ paradoxes set the agendafor twentieth and twenty-first century semantics and philosophy of language.
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individual, then for any property and any being, that property is
either instantiated or not. If Aristotle were right that medium-
sized objects are the basic entities of the sub-lunary world, in
the sense that the fundamental necessities are necessities about
people, and other organisms, then the sorites might be a
problem,193 but not a threat to the existence of the objects of
ordinary life. Aristotle did not regard heaps as substances in
any case, so acknowledging that heaps are not well-defined beings
might have been acceptable.
The sorites becomes more than a logical puzzle, though, when it
develops that the strongest laws are not about medium-sized
objects and organisms, but about micro-particles.. Given that an
Aristotelian understanding of necessity is natural necessity,
having the strongest laws means being more fundamental. So, given
the naturalism shared by Aristotle and most modern
metaphysicians, this would mean that the beings with essences are
the micro-particles, and any beings with any sort of essence
would have to derive that essence from micro-particle components.
As discussed in Chapter 2, the major problem in descriptive
metaphysics is accounting for how objects which are not basic to
science and are not reducible to objects that are basic to
science, can still have essential features. Relative essentialism
193 Historically, it appears that Eubulides, the apparent inventor of the sorites, was attacking Aristotle. See Jon Moline (1969), as well as Wheeler (1983.)
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is a solution to that problem along Davidsonian-Quinean lines.
Relative essentialism solves the problem by having a multitude of
independent essences and natures. Posits and their natures need
not correspond to notional “joints.”
The logical problem raised by the sorites, however, remains even
when the metaphysical dilemma it poses is neutralized by relative
essentialism. How can bivalent logic, which seems so useful and
true, be correct in light of the apparent indeterminacy the
sorites seems to reveal? A borderline chair seems to be neither a
chair nor a non-chair. Through several failed attempts, beginning
in 1973,194 I tried to find an intelligent response to the
sorites, which seemed to me to pose an intractable problem for
any philosopher of almost any persuasion. This chapter is my
latest attempt.
I What is the sorites paradox about?
The sorites paradox was originally presented as the inconsistency
of the propositions that a) a single grain is not a heap, that b)
no addition of a single grain to a non-heap turns that non-heap
into a heap, and that c) a million grains together is a heap.
Sorites sequences can be constructed for “is a chair,” “is a
person,” “delicately,” “crushes,” and almost every predicate
outside of mathematics and the hard sciences.
194 At the 1973 APA Eastern meeting I presented “A Solution to Wang’s Paradox,”a nihilist “solution,” which became Wheeler (1975). See also Wheeler (1979), (1986), (1991).
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Since the early 1970’s the literature on the sorites has grown to
a vast size,195 so that a discussion of even the major lines along
which philosophers have sought a solution is out of the question
here.196
There is reason to think197 that Eubulides, the originator of the
sorites, took the sorites to be making a metaphysical point. The
medium-sized objects and pluralities of the common-sense world do
not make logical sense, so believing in their existence is
incoherent. The theory here presented agrees with Eubulides that
the central problem of the sorites is metaphysical rather than
logical. The present theory relies on neo-Davidsonian views of
predication, kinds, and truth.
There are basically three responses to the sorites, given that
nobody thinks a single grain is a heap:
1) Deny that the sentences are inconsistent, when properly
understood, or that the inconsistency has serious consequences.
195 In the early 1970’s a philosopher could read everything that had been written on the sorites problem in the Twentieth century in a leisurely afternoon, with time for a nap. I did.196 Excellent guides to this literature include Williamson (1994) and Keefe and
Smith (1997).197 See Wheeler, (1983). I argue that the point of the sorites, as well as of the other paradoxes Eubulides constructs, is to argue that Parmenides is right. Interestingly, after millennia, the paradoxes attributed to Eubulides are at the center of the philosophy of logic and the philosophy of language. Besides the Sorites, Eubulides proposed paradoxes involving presupposition, intentional contexts, andthe liar paradox.
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This is the solution of the supervaluationists and the logic
adjusters.
2) Deny proposition b), and claim that at every point in the
progression, a collection either is a heap or is not a heap. The
problem is just that for a large number of cases no answer seems
objectively correct. One version of this position is the
epistemicist solution; we will propose another version below.
3) Deny proposition c), and claim that in fact there are no
heaps, as the argument shows. This is the nihilist198 solution.
Each of these strategies has had recent advocates. The first
strategy has generated the largest literature.
The present theory is akin to an epistemicist account. It turns
on metaphysical views, borrowed or adapted from Davidson, about
language, predication, kinds, and truth. Being adapted from
Davidson, the theory is naturalistic, and eschews language-
transcendent concepts.199 From a Davidsonian or Quinean point of
view, of course, there can be no epistemicism resting on
inadequate grasp of concepts. Language is to be understood as 198 “Nihilism” became the label for views that deny that sentences aboutmedium-sized objects and their properties are true. Wheeler (1975, 1979) and Unger (1979) proposed this view in the 1970s. Unger proposed“nihilism” as the label for the view, claiming that even more things than Wheeler thought fell under the sorites argument. More recently, Ted Sider and David Braun (2007) and Kirk Ludwig and Greg Ray (2002) have reached similar conclusions.199 The presentation below owes its inspiration to Vann McGee’s conceptualization of the sorites problem in terms of the relationship of usageand extension, in his presentation at the conference on Truth, University of Connecticut May 15-17, 2009.
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grounded in responses of organisms to their surroundings in a
social environment. There is no chance whatsoever that concepts,
as internal contents of predicates, could be constructed out of
such material which would divide all possible objects into those
which satisfied the predicate and those which did not.
The Davidsonian proposal I will suggest is akin to an
epistemicist account in claiming truth-values for borderline
cases, but unlike an epistemicist claim, does not diagnose the
problem as some kind of limitation to our knowledge.
II Usage and Extension
As discussed in Chapter 1, Davidson supposes neither that
“concept-fitting” nor selection by privileged kinds that actually
exist determines what a predicate is true of. Only the truth-
condition clause gives the meaning of a predicate. One way to
articulate Davidson’s view is to raise the question of what the
relationship is between a term’s extension and usage.
What is the relation between the pattern of application of a
predicate within a culture and the extension of that predicate?
There are two standard general conceptions of this relation,
discussed in Chapter 1, while I will briefly review: The “meaning
is use” conception takes the content of a predicate to be
determined by some version of “what people say when,” and takes
the extension of a predicate to be a function of its content. The
monistic essentialist conception rests on natural segmentations
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in the world as extensions of predicates. This section sketches
both familiar views and outlines their difficulties with the
sorites.
a) usage determines extension views
The obvious naturalistic way to assign meaning or content to a
predicate is to take the meaning of a predicate to be a function
of “use” or “usage,” and to take the extension of the predicate
to be determined by its meaning. What the members of a culture
say when fixes all there can be to the content of a predicate,
and therefore all there can be to fixing what entities the
predicate is true of. The extension of a predicate, then, is a
projection from actual applications to all possible applications.
The use/usage-is-meaning view of extensions leaves extensions,
and so truth, indeterminable. For most of our predicates, no
amount of actual application-behavior will fix a single
projection that selects a single extension within the collection
of possible objects for which the question whether the predicate
applies might arise.200 No matter how many data-points one has
derived from applications of “is a table” no particular complete
extension, from among the infinity of psychologically projectable
sets that include those data-points, is selected. Thus there are
possible (and actual) entities such that it is indeterminable
200 This is the point emphasized by Vann McGee in his presentation
mentioned above.
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whether that entity falls within the extension of, for instance,
“table.”
b) monistic essentialist views
For a monistic essentialist, there is a privileged segmentation
of the world into kinds. This segmentation is reflected in laws
connecting kinds in the segmentation. These natural laws give the
essences of the kinds that are the extensions of terms. The laws
may be strict or may be Aristotle’s “always or for the most part”
laws.
Language-learning proceeds by acquaintance with such natural
kinds, which brands a given kind with a term. Alternatively, a
variety of stories about how evolution has equipped us to get at
the kinds or how our language-faculty has as its proper function
designating the right kinds are told. A metaphysical realist
conception of language and its relation to the extensions of
terms is externalist. The patterns of application of the
predicate, whether in the individual or in the society as a
whole, do not determine the extension. Usage has to have some
relation to extension in order for the reference-fixing to occur,
but that relation can be minimal.
This kind of externalism allows that, for properties and kinds of
objects that are governed by strict laws, there are no genuine
borderline cases—either a difficult-to-characterize entity is in
the extension or not. A metaphysical realist conception explains
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the divergence between what one’s language-teachers teach and the
truth by appealing to a natural division in nature which selects
some extensions as appropriate extensions for predicates.
c) Difficulties with the sorites
c1) extension is a function of use theories
For the meaning is usage theorist who takes extensions to be
determined by meaning, the sorites argument shows that for almost
every predicate, the meaning or sense of the predicate, if
resting on what people say when, does not determine an extension
even in familiar and often-encountered cases. Nothing about my
culture’s history of verbal behavior defines an extension for
“chair,” in the sense of sorting the possible objects into the
chairs and the non-chairs. The set of extensions that accord with
actual usage is insufficiently restricted to sort even the
actually available objects into the chairs and the non-chairs. An
account of meaning as resting on usage rather that nature seems
to condemn the usage-as-meaning theorist to incomplete meanings,
to multiple truth-values, precisifications, and the like.
c2) monistic essentialist
The monistic essentialist solution seems to address the problem
of determining a single extension to a term by assigning that job
to nature. However, monistic essentialism has difficulty in
application to medium-sized object predicates. If we interpret
necessity naturalistically, and treat natural kinds as determined
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by natural laws, then a segmentation into natural kinds requires
that the natural kinds be the subjects of laws. Natural kinds are
supposed to have essences that yield necessary truths about when
they apply. For natural objects, those essences are expressed in
natural laws. But the laws about medium-sized objects and
organisms at best admit exceptions. They are loose relative to
the laws of physics, chemistry, or even cell biology. The sorites
illustrates that, for instance, even though we have a necessary,
perhaps probabilistic, relation of some kind between being a tall
man and having an adequate height in meters, there is no lawlike
relation that would determine what that height in meters must be.
As we have noted in Chapter 2, the basic idea of monistic
essentialist accounts of reference, that reference is fixed by
divisions in nature, seems to run afoul of the sorites, at least
on the assumption that the medium-sized objects of ordinary life
exist and so have essences.201 Apart from some quite unusual
predicates,202 kinds of medium-sized objects and their properties
are intuitively not completely determined by a privileged
201 For the arguments that if natural kinds are taken seriously as expressed by necessary truths, then any alleged kinds whose application cannot be determined by natural laws would not be real kinds, and so would not supply essences for objects, see Wheeler (1975). 202 Black holes, unlike most big objects, have a natural law-governed delineation, the Schwarzchild radius, defined by the escape velocity of a particle being beyond the speed of light. So black holes are precisely definedentities, as far as I can discern. I cannot think of other examples of macro-objects such that there is a precise point at which their borders begin.
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segmentation in nature. At best, nature sets parameters within
which wide variation is possible. For objects such as tables and
turtles, if we imagine a particle-by-particle dismantling, there
appears to be no objective line at which the entity in question
ceases to fall under the extension of “is a table” or “is a
turtle.”
A monistic essentialist who does not suppose that there is an
objective answer to questions about extensions of medium-sized
object count-nouns and properties becomes a usage-theorist about
all the predicates of ordinary life. In effect, supervaluation
abandons metaphysical realist selections of a privileged scheme,
and supposes that acceptable precisifications are acceptable
extensions for problem terms. “Acceptable” is then given by
usage.
Monistic essentialists thus are faced with awkward choices about
what to say about medium-sized objects and predicates of them. On
the one hand, it would be nice if there really were tables and
people. On the other hand, the whole idea that having an essence,
i.e. having objective existence and extinction conditions, is
required for reality is undermined by medium-sized object-
predicates and their vagueness with respect to other families of
predicates.
d) Davidson
d1) externalism without natural kinds
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As discussed in Chapter 1, Davidson is an externalist about
extensions, but does not believe in a privileged, given
segmentation. Thus, for Davidson, all kind predicates that
actually apply to objects, i.e. all predicates for which there
are affirmative true sentences, are ontologically on a par. Of
course there are electrons; of course there are tables, but there
are no leprechauns. For Davidson, we learn to apply terms by
triangulation, coming to call an object salient both to us and to
another by the same term. Davidson characterizes this
triangulation and its consequences as follows:
“Ostensive learning works first and best with whole sentences, in
practice often represented by what for the experienced speaker
are single names, common nouns, adjectives, and adverbs (`Mama’,
‘Man’, ‘Come’, ‘Good’, ‘Careful’). The child who has no more is
still a pragmatist. Once some grammar is in hand, however,
separately learned parts can be assembled in new ways, and truth
separates from the merely useful or approved. The references of
names, the extensions of predicates, the combinatorial devices
themselves, are in the hands of teachers and society; truth is
not.” (Davidson 2005, page 15)
Since there is no privileged segmentation into objects and
kinds of objects, there is much latitude in what groups of
salient objects are correctly called by the same term. Thus,
extensions are very much shaped by usage—what people say when can
yield sets of true-of-objects predicates that vary between
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cultures and within cultures over time. Language is a human
creation, and human language-behavior shapes the ontology that
can be assigned to a culture. That is, given that most of what
people say is true, patterns of labeling behavior will shape the
extensions an interpreter assigns to a predicate.
According to our relative essentialism, which I am treating
as Davidson’s implicit view, an ontology is an imposition or
positing of a set of predicates for putting the world into
subject-predicate form, in order to allow logical relations among
truth-functionally simple sentences. As we discussed in Chapter
3, “positing” should be thought of as by and large automatic,
coming from biological inheritance and culture. Only rarely do we
actively posit such things as gravitons and gluons and sit-coms.
Since there is no privileged segmentation, whatever can become
salient to humans is a possible partial extension of a single
predicate. But of course for the reasons given in Chapter 1 in
discussing the usage account of extension determination, no
amount of such training or decision-making about what to say when
will yield a single extension for an individual or for a culture.
That is, there is no projection from any finite amount of
identification of elements of the set to any particular set.
Since Davidson explicitly denies a privileged segmentation, the
difficulty is even more transparent.
For Davidson, though, extensions are not functions of the
content, in the sense of “content” that would be a projection
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from usage. As emphasized in Chapter 1, the meaning of a
predicate is its truth-conditions. Extensions are given by the
deflationary-sounding formula, “`Is a dog’ is true of an object A
if and only if A is a dog.” Just as truth-conditions or meanings
of sentences are given in homophonic translation, so satisfaction
or truth-of conditions, that is, extensions, are given in
likewise apparently unilluminating form. So, even though meanings
and extensions are learned by imitating usage, the meaning is not
identical with the usage. Furthermore, for the reasons given
above that usage cannot select a single set on the basis of a
finite number of occasions of use, extensions, while not
independent of usage, could not be determined by usage. Usage is
evidence for meaning when we are interpreting, but meaning itself
is given completely by predicate-clauses in a truth-definition.
For Davidson, most of what people say using these divergent
predicates is true. For a Davidsonian, then, there are an
indefinitely large number of overlapping natural kinds, as it
were. All the distinct predicate-systems of different cultures
and all the overlapping kinds are correct posits, as long as
there are truths of the form “ExFx.” Given Davidson’s
externalism, a culture’s divergences from another culture means
that each culture’s entities are by and large real.203 Objects
overlap without being reducible one to the other. Diverse objects
203 Gods, demons, auras, Guardian Angels and such can be exceptions. Davidson’spoint is that you could only come to think the other is mistaken by thinking the other is correct about a lot of other judgments.
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can co-exist and overlap without getting in one another’s way.
Most importantly, diverse overlapping families of predicates can
overlap within a single culture, so that the distinct objects can
coincide.
d2) extensions
As we discussed in Chapter 1, the combination of externalism
about reference and denial of a privileged segmentation means
that Davidson can have objective extensions without supposing
that there is a single division of the world into kinds, and so
without having to rescue weakly-law-governed entities from the
threat of not being really part of what is. For Davidson, all
kinds are on a par ontologically. Some kinds are connected to
other kinds by very good laws; others by not so very good, “for
the most part” laws or by the kind of very vague generalization
that would tell us that tables have to have a fair amount of
matter.
Here, then, is my Davidsonian view about extensions and usage:
1) Predicates have extensions. The union of the extension of a
predicate and the extension of its negation is the universal set.
There is an answer, “yes” or “no” as to whether a given predicate
F is true of a given object A, for any A. Given that the meaning
of a predicate is given by its truth-condition clause, a
predicate’s meaning in a sense trivially “fits” what it is true
of.
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2) Although of course learning a language is finding out about
the extensions of predicates by learning to detect elements of
their extension either directly or indirectly. We both learn to
detect perceptually when a predicate F applies and we learn F’s
connections to other predicates, and so can apply F by knowing
what else is true in the case at hand. But no finite amount of
observation or training or collation of our culture’s
application-practices will prepare us to put every candidate for
“member of the extension” of a predicate, at least in general.204
That is, when we encounter or consider objects, always under some
description, and so with some posited nature, we are not equipped
in general to assign them either to F or to not-F.
3) Learning the extension of a predicate is only rarely learning
necessary and sufficient conditions using other predicates that
determines when a given predicate applies to a given object.
4) Extensions of predicates are not generally determinable by
determining extensions of other predicates, but are determinate.
That is, it can be in principle impossible to determine what the 204 For the unusual cases where we can give the extension in other terms, such as “prime” and “composite” applied to natural numbers, membership in one or the other of the extensions is not determinable relative to some predicate families applying to numbers. “The number of planets” was once thought to be a prime, for instance. “Prime” and “composite” are only determinable relative to some ways of specifying numbers. This is masked by the fact that there is a procedure, in principle, for converting number-description of the form “the number of F’s” to a description for which there is an algorithm for determining whether a number is prime.
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extension of a predicate is for the general case that includes
every possible object.
Thesis 1) commits a Davidsonian to bivalence. One-dimensional
borderline cases of a predicate P are cases where one cannot tell
directly whether P is true of the case, P is known to depend on
nothing but truths from predicates in family Q, and all the
relevant evidence from Q predicates is in. Given that there are
borderline cases where nothing can indicate to us whether a
predicate truly applies or not, there are sentences that are
determinately true or false when those sentences’ truth-values
are not determinable. Not being determinable does not mean not
being determinate.
Davidson and Quine would both call such situations
“indeterminacy.” Throughout this book, I have called such
situations “indeterminability.” So, I have spoken of
“indeterminability of interpretation” for instance. Why should we
think that determinacy requires determinability and that
therefore indeterminability is indeterminacy? The basis for this
view seems to be descended from the Verification Theory of
Meaning, via the Verification Theory of Meaningfulness. The idea
has been that, unless there is a possible procedure for detecting
whether a predicate applies in a case, it does not make sense to
suppose that the question whether the predicate applies or not is
not a question of fact. But the verification theory of
meaningfulness can only be obvious if one thinks that there is a
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given level of experience or something relative to which all
questions are decided. Davidson argued against any such given in
Davidson (1974). There being no other terms relative to which a
given term is determinable would only imply indeterminacy if
there were other terms that were intrinsically more basic.
If the meaning of a predicate is given by its predicate clause,
and there is no given articulation of the world into basic beings
relative to which all other beings must be understood, then there
are no given terms, either. So there being some situations in
which it is in principle impossible to determine truth-values of
predications does not mean that those predicates have no truth-
values.
Here is an example of an absolutely indeterminable predicate
whose truth or falsity of a given object is determinate. Consider
the infinite family of mathematical predicates P1, P2,… where P1
is “=2 if the continuum hypothesis is true, = 4 otherwise,” P2
is “= 3 if the continuum hypothesis is true, = 6 otherwise”, and
where Pn is “= the nth prime if the continuum hypothesis is true
and = the nth composite otherwise.” Relative to any of these
predicates, “prime” is indeterminable. From the information that
the number of my first cousins is P5, nothing can determine
whether the whether the number of my first cousins in 11 or 10.
It can be determined that it is either the 5th prime, 11, or the
fifth composite, 10. So, it given that I have 10 first cousins,
“The number of my first cousins is P5” is either true or false,
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but absolutely indeterminable. But, supposing that Platonism is
coherent, that this predicate is always determinate but never
determinable is also coherent. So there is no necessary
connection between determinacy and determinability.
It is of course true that predicates which have very little
connection to any other predicates and are rarely directly
determinable by observation, so that predications using them can
only rarely can be determined to be true, will be useless, and so
in a sense meaningless. But it is hard to see what argument could
be given that determinate truth-value requires determinability,
absent a ground-level of basic predications that are given by
nature.
So, a Davidsonian can be an epistemicist without supposing hidden
facts or states of affairs making such sentences true. There are
hidden facts in the notional sense described in Chapter 6, of
course, but the “inaccessibility” of such facts is not a defect
in our knowing abilities. For Davidson, truth is primitive.
Sentences are not “made true” by anything. For a variety of
reasons,205 there are no entities corresponding to true sentences.
Since there are no truth-makers, and truth is primitive, truths
205 Davidson is an advocate of the Slingshot, examined in detail by Stephen Neale (2001). In any case, facts and other concrete correlatesof sentences are suspect on many grounds. There is the problem of binding, which goes back to Plato’s Parmenides, there is an implausible population of negative and general facts, and so on.
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do not have particular chunks of the world or particular
environmental incidents to fasten onto.
So, all terms have perfectly clear extensions, given by the
predicate-clause in the truth-definition.
III Theoretically justified bivalence and Davidsonian pragmatism
A Davidsonian, following Quine, can allow that some truths,
typically true standing sentences and their instances, are
reasonably held to be true in virtue of theoretical
considerations. Useful analogies abound in mathematics. Neither
usage nor intuition would suggest that among the sub-groups of my
siblings there is the null set. Yet it is a theorem that the null
set is a subset of every set. We need that theorem to be true in
order to retain such principles as that everything that is a
member of the subset is a member of the superset. Likewise, the
idea that for any number, raising it to the zeroth power yields
one as value fits no intuitions about what “raising to the zeroth
power” means, since the notion is intuitively meaningless. This
truth is true because, among other things, n to the mth divided
by n to the pth equals n to the m-minus-pth. In both cases,
theory demands that a sentence be true. Accepting that truth is
harmless in both cases.
Davidson can say the same thing about the thesis of bivalence for
sentences using medium-sized object predicates. In cases in which
“there is no fact of the matter” there is no importance to the
matter either. Just as we run into no practical difficulties in
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treating five to the zeroth power as equal to one, so we have no
practical difficulties in treating borderline cases as being true
or false, but it does not matter which.
For the reasons outlined below, namely the lack of sharp laws
connecting families of medium-sized object predicates and the
lack of perceptual determinations, it would be expected that
cases would arise where a predicate such as “is a tall man” could
neither be applied nor denied on the basis of inspection, even
though a predicate from another family, “is 1.78 meters tall”
could be, and whether an individual is tall depends on nothing
more than how tall the individual is. Without correlates of
sentences, i.e. facts or states of affairs, the phenomena of
vagueness are either cases of incomplete connection among
heterogeneous predicates or cases where perception does not
determine an answer and nothing else is relevant. But since all
it takes for “Joe is a tall man” to be true is that Joe be a tall
man, “is a tall man” has determinate truth-conditions.
In the case at hand, sorites arguments, the Davidsonian answer
would be that of course classical excluded middle holds for
sentences about medium-sized objects. There turn out to be good
reasons why, for many sentences, truth is not in principle
determinable. Among those sentences are predications which usage
does not fix as true or false. So, for example, at every point on
a continuum forced march, there is an objective answer as to
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whether the entity is a tall man, even though there is in
principle no way to tell.
Just as in the cases of mathematical truths accepted for
theoretical reasons, accepting bivalence in non-semantic206
predications is harmless. As long as we do not suppose that there
are occult facts or other truth-makers, the claim that every
sentence is true or false, so that “Fred is tall” is true or
false, conflicts with no other claims we should wish to make. The
view is an epistemicism insofar as it assigns unknowable truth-
values to borderline cases. This acceptance of bivalence requires
no miracles nor does it require concepts to which we have
imperfect access. It just requires that we treat truth,
extensions, and meaning as completely given by the relevant
clauses in a truth-definition. Meaning is truth-conditions, where
that means that beyond “`Fred is a dog’ is true if and only if
Fred is a dog,” there is nothing illuminating and accurate and
general to say.
IV What is vagueness without truth-makers?
A presumption of the sorites is that the situation where a
man is 1.78 meters tall demands an answer about whether he is a
tall man or not. Why is an answer expected? Briefly, we have a
206 Given the existence of the semantic paradoxes, the general claim of bivalence, that every sentence is true or false, may be false. But therestricted claim that sentences attributing predicates to medium-sizedobjects seems to have everything to recommend it.
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datum, a fact before us, specified by “is 1.78 meters tall.” In a
world in which that fact exists, it must, it seems, be the case
either that the man is a tall man or that he is not a tall man.
But suppose, as Davidson does, that there are no entities
corresponding to true sentences, i.e. no facts or states of
affairs. Then the truth-conditions of “Fred is 1.78 meters tall”
are just that Fred is 1.78 meters tall. The problem with “Fred is
a tall man” not being determinable is just that from “Fred is
1.78 meters tall” neither “Fred is a tall man” nor its negation
follows by law. So, one can infer neither the sentence nor its
negation from the “datum.” The point is that the datum is not a
given, but is already-conceptualized. The datum is a truth. So
why should it be surprising that neither “Fred is a tall man” nor
“Fred is not a tall man” can be derived by laws from another
sentence, “Fred is 1.78 meters tall?”
What gives rise to puzzlement is the truth that there is nothing
to Fred’s being tall other than how tall Fred is. So, we think
there ought to be a law and there isn’t. For well-behaved
predicates like “tall,” 207 there are indeed some lawlike truths
207 “Tall” is well-behaved in many ways. One feature of being one-dimensional, unlike “nice” and “bald,” is that one-dimensional predicates have a non-vague comparative. For many concepts there is apparent indeterminacy not only for the attributive construction, but also for the comparative construction. It can seem indeterminate whichof two men, if either, is balder than or nicer than or more obnoxious than the other. With count-nouns in relation to particle-complexes the situation is even worse. No list of dimensions is forthcoming. Of two table-like objects, no laws determine which is more a table than
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connecting “n meters tall” “taller than” and “tall man.” For
instance, if Joe is 1.8 meters tall and is a tall man, then any
man taller than 1.8 meters tall is a tall man. Height is the only
relevant dimension for “tall”, which makes it a favorite among
sorites theorists. But even though the family of predicates “is n
units tall” has lots of connection with the family of predicates
“is a tall F”, the “is a tall F” family does not reduce to the
“is n meters tall” family. So, in many cases, we can know the
truth of a sentence about Fred using a member of one family
without knowing the truth of a sentence about Fred using the
other family.
Without truth-makers as correlates of sentences, “borderline
cases” are just sentences whose truth-values are not determinable
directly and are not determinable from the truth-values of other
sentences about the same object. A borderline case can arise if
there is a true sentence using one kind of predicate such that
there is no strict definitional necessary connection to the
truth-value of a sentence using another kind of predicate, but
where the two kinds of predicate are necessarily related. Since
height in meters is related to whether an individual is a tall
man, so that a man having a given height in meters is sometimes
obviously also a case of being a tall man, a sort of paradox
arises if we assume that because the truth-value of one
the other. Only the vaguest “laws” connect material count-nouns with particle-complexes.
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characterization of the situation is determinable, so must the
other be, that is, that there ought to be a law. So, “John is
1.78 meters tall” may be known to be true, while “John is a tall
man” may not be known to be either true or false..
If we do not suppose that there are privileged ways of
characterizing objects, then indeterminability arises from one
of two sources: First, we get indeterminability when only
perception is relevant to whether P, and perception just does not
divide cases into ones that elicit belief in P and those that
elicit belief in not-P. Second, we get indeterminability whenever
two families of predicates apply to some of the same entities,
have some necessary relationship, but lack precise laws relating
them. Vagueness arises from relations between predicate-families.
A predicate is vague if there are no non-trivial strict laws
connecting it with predicates from another family of predicates
applying to items in its extension.
We could define a “precise” predicate as one such that there is a
law-like relation connecting predicates from one family of
predicates true of an object with predicates from another. So,
“electron” is precise because of a law-like connection to
predicates of mass and charge. All and only electrons have that
particular mass and charge. A single non-trivial law-like
connection to another predicate family applying to the same
objects suffices. If we demand that preciseness and clear
essences require that a predicate is determined by any
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characterization of an object, then no object will have an
essence, because no predicate is such that it is always
determinable whether it applies to an object under any
description. There are always predicates like the P-predicates
above.
V What happened to the paradox?
Very briefly, with a correct understanding of truth and
predication, a rejection of a “given” in which nature applies a
special predicate system to make beings real, and the realization
that therefore the truth that “`is a tall man’ applies to an
object a just in case a is a tall man,” gives a criterion for
application, there is no paradox.
For many theorists, the difficulty with this harmless
Davidsonian solution is that there is no obvious way to
generalize it to cover the semantic paradoxes. No such solution
is available for the semantic paradoxes, because they directly
generate contradictions. Thus the “indeterminable but
determinate” solution above will not work. . Thus the above
metaphysical take on the sorites abandons the quest for what
McGee has called the “Holy grail,”208 a single theory that will
handle the sorites, the liar, the sea battle, etc.
I think this quest is very much like the quest for the Holy Grail
in being directed at something that probably does not exist. The
sorites “paradox” is a phenomenon that is more or less bound to
208 At the conference mentioned in previous footnotes.
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occur when either: 1) We have a language with perceptual
predicates; or 2) We have a language with many families of
predicates whose extensions overlap, have truth-conditions
related to one another, but are not precisely definitionally
related. Relative to those other predicates in the language,
applications of the predicate are sometime indeterminable.
Applications of “tall” are sometimes indeterminable in relation
to “is n meters high.” Without another family of predicates
covering the same extension with some less-than-definitional
relation to the first, there is no indeterminacy, but only lack
of knowledge. We would have “`Fred is tall’ is true if and only
if Fred is tall,” and not know whether Fred is tall, but no
sorites paradox. Some attributions of “Fred is tall” would be
like speculations about details of the past—determinate but
unknowable. There is no paradox except relative to intuitions
that there ought to be a law determining the application of one
predicate in situations described by the other predicate. To
summarize: the sorites depends essentially on relationships among
predicates or a predicate’s relation to perception. No particular
predicates are “vague” except relative to some other predicates
or to perceptual training.
The semantic paradoxes involve only a single predicate. They
arise when a semantic predicate refers to semantic predications,
either by self-reference or by quantifying over items with
semantic properties. Intuitively something about sentences saying
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semantic things about sentences or semantic terms applying to
semantic terms gives rise to paradox. The cases are not alike at
all. From Chapter 7, the “future contingents” part of the Grail
is also illusory. Seeking the Grail might still be fun, I guess,
but you don’t get to ride horses anymore, just type and think.
Chapter 8:The Sorites and Davidsonian Innocuous Epistemicism209
The sorites argument and the ontological problem it raises with
essentialism was the core of my argument in Chapters 2 and 3 to
abandon monistic essentialism, the idea that reality is
intrinsically articulated into beings and properties. If there
were precise and systematic delineations in micro-particle terms
of the objects of ordinary life, we could happily be neo-
Aristotelians, regarding the medium-sized objects and organisms
he took to be basic substances as respectable entities, but
entities having compound natures derived from more the more
fundamental natures of the micro-particles into which nature was
articulated.
According to the relative essentialist account of ontology,
vagueness could seem to be a feature of objects themselves, not
only of language. The objects and properties posited are by and
large informally posited by whole cultures or organic lineages.
209 An early version of some of this chapter was presented at the conference on
“Davidson and Pragmatism” at the University of Zurich, 27-28 April, 2010.
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Precise definition relative to other posits is much too much to
expect from such posits. For the vast majority of such posits, it
is quite unlikely that anything in the positing would provide
necessary and sufficient conditions for an entity being of the
kind posited in terms of any other posits. Furthermore, for
perceptual predicates, those primarily directly applied by
acquiring involuntary perceptual beliefs, it is very unlikely
that those perceptual dispositions will divide possible cases
into those which elicit the belief that the predicate is true in
a case and those which elicit the disposition to believe the
negation of the predicate is true.
The view I will argue for is that the objects themselves are
quite precise, and have sharp borders, in a sense. It will always
be true that “is red” is true of an object if and only if it is
red, even though at some point in a continuous change from red to
orange, speakers cannot say whether or not a color-patch is red.
Likewise, everything is either a chair or not a chair. This
chapter will argue for a kind of innocuous epistemicism without
truth-makers.
Predicates subject to the sorites, that is, almost all
predicates, divide into two kinds: First, there are a few one-
dimensional predicates, such as color-words and comparative
adjectives of dimension, such as “tall” and “warm.” Such features
can be placed on a continuum and ordered, so that for any two
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items, either the first is taller than the second, or vice versa,
or they are equally tall.
The vast majority of writing on the sorites has focused on this
first kind, the one-dimensional cases. In fact, the complicated
“dimension” baldness is often treated as if it were solely a
matter of number of hairs on a head, rather than some kind of
combination of numbers and distribution and location (consider
Ben Franklin with his wide expanse of bare scalp, but dense hair
at the edge). The illusion is thus generated that the sorites can
be fixed by dealing with the arbitrariness of any dividing line.
In the first kind of problem predicate, since we have a continuum
along a single dimension, we can imagine that the difficulty is
that of coming up with a demarcation. All we need to do is decide
where to draw the line. Since the language-community and our
language-learning practices have not established such a line,
unlike the case with “adult” or “is old enough to genuinely
consent to sex,” the natural suggestion is that there are a
variety of acceptable demarcations, yielding supervaluation.
Another idea is that we really use a logic with tolerance for
either “is both tall and not tall” or “is both tall and not tall”
can be assigned to language users which will accommodate these
borderline cases while preventing speakers from inferring that
every sentence is true.
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Second, there are predicates such as “bald,” “chair,” “human
being,” “nice”210 and virtually every count-noun. In such cases,
there is not only more than one dimension, but it is often
difficult to see how the question could be put in terms of any
number of anything that would seem to be any number of
dimensions. There is nothing close to a well-ordering in the
borderline area. I am quite certain that a collection of objects
such that it is difficult to say whether they are chairs could
not be ordered in any helpful way. There will of course be
objects such that one is clearly more a chair than the other.
For predicates like “chair” or “person” it is hard to see how any
kind of precisification would go, since there are so many ways a
thing could be defective. A good example of a predicate to which
it has proven to be difficult to apply “acceptable”
precisifications is the topic of Wheeler (1980). There the
predicate under discussion is “has a right to” and the relevant
sorites step is “is not ethically significantly different from.”
A chain of cases goes from a person’s right to move their body to
unlimited property rights. But no precisification of “has a right
to” is uncontroversial. Rights and their limits are a hotly
contested topic in political theory. With some exceptions, no
theorist thinks that another theorist’s precisification is
acceptable. If “acceptable” means more than “acceptable to me,”
210 “Nice” is Rosanna Keefe’s (1998) example in a paper making some of these
points.
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then “precisification” and supervaluation will not be effective
solace here.
I have always taken the fundamental question raised by the
sorites to be metaphysical rather than logical.211 The most
important lesson of the sorites is that the natures of the
objects of ordinary life and their properties cannot be complexes
of the natures of the objects that the sciences tell us about.
The central motivation for the relative essentialism developed in
Chapters 2 and 3 is to save the reality of medium-sized objects
and their features from the hegemony of physics. Relative
essentialism allows medium-sized objects to have natures. It does
not have to describe how such natures relate to the basic natures
of reality, because it denies that there are any basic natures.
The sorites makes the problem and solution clear.
In Wheeler (1975), I suggested that the sorites posed a serious
dilemma for monistic essentialism, a view I was then considering.
If the world consists of given individuals and properties, and
predication is understood as a property being instantiated in an
individual, then for any property and any being, that property is
either instantiated or not. If Aristotle were right that medium-
sized objects are the basic entities of the sub-lunary world, in
the sense that the fundamental necessities are necessities about 211 Eubulides, the inventor or purveyer of the paradox, likewise thought the paradox was primarily of metaphysical significance. He took it, along with hisother paradoxes, to be a demonstration that Parmenides was right. See Wheeler (1983). As Peter Seuren (2005) also notes, Eubulides’ paradoxes set the agendafor twentieth and twenty-first century semantics and philosophy of language.
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people, and other organisms, then the sorites might be a
problem,212 but not a threat to the existence of the objects of
ordinary life. Aristotle did not regard heaps as substances in
any case, so acknowledging that heaps are not well-defined beings
might have been acceptable.
The sorites becomes more than a logical puzzle, though, when it
develops that the strongest laws are not about medium-sized
objects and organisms, but about micro-particles.. Given that an
Aristotelian understanding of necessity is natural necessity,
having the strongest laws means being more fundamental. So, given
the naturalism shared by Aristotle and most modern
metaphysicians, this would mean that the beings with essences are
the micro-particles, and any beings with any sort of essence
would have to derive that essence from micro-particle components.
As discussed in Chapter 2, the major problem in descriptive
metaphysics is accounting for how objects which are not basic to
science and are not reducible to objects that are basic to
science, can still have essential features. Relative essentialism
is a solution to that problem along Davidsonian-Quinean lines.
Relative essentialism solves the problem by having a multitude of
independent essences and natures. Posits and their natures need
not correspond to notional “joints.”
212 Historically, it appears that Eubulides, the apparent inventor of the sorites, was attacking Aristotle. See Jon Moline (1969), as well as Wheeler (1983.)
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The logical problem raised by the sorites, however, remains even
when the metaphysical dilemma it poses is neutralized by relative
essentialism. How can bivalent logic, which seems so useful and
true, be correct in light of the apparent indeterminacy the
sorites seems to reveal? A borderline chair seems to be neither a
chair nor a non-chair. Through several failed attempts, beginning
in 1973,213 I tried to find an intelligent response to the
sorites, which seemed to me to pose an intractable problem for
any philosopher of almost any persuasion. This chapter is my
latest attempt.
I What is the sorites paradox about?
The sorites paradox was originally presented as the inconsistency
of the propositions that a) a single grain is not a heap, that b)
no addition of a single grain to a non-heap turns that non-heap
into a heap, and that c) a million grains together is a heap.
Sorites sequences can be constructed for “is a chair,” “is a
person,” “delicately,” “crushes,” and almost every predicate
outside of mathematics and the hard sciences.
Since the early 1970’s the literature on the sorites has grown to
a vast size,214 so that a discussion of even the major lines along
213 At the 1973 APA Eastern meeting I presented “A Solution to Wang’s Paradox,”a nihilist “solution,” which became Wheeler (1975). See also Wheeler (1979), (1986), (1991).214 In the early 1970’s a philosopher could read everything that had been written on the sorites problem in the Twentieth century in a leisurely afternoon, with time for a nap. I did.
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which philosophers have sought a solution is out of the question
here.215
There is reason to think216 that Eubulides, the originator of the
sorites, took the sorites to be making a metaphysical point. The
medium-sized objects and pluralities of the common-sense world do
not make logical sense, so believing in their existence is
incoherent. The theory here presented agrees with Eubulides that
the central problem of the sorites is metaphysical rather than
logical. The present theory relies on neo-Davidsonian views of
predication, kinds, and truth.
There are basically three responses to the sorites, given that
nobody thinks a single grain is a heap:
1) Deny that the sentences are inconsistent, when properly
understood, or that the inconsistency has serious consequences.
This is the solution of the supervaluationists and the logic
adjusters.
2) Deny proposition b), and claim that at every point in the
progression, a collection either is a heap or is not a heap. The
problem is just that for a large number of cases no answer seems 215 Excellent guides to this literature include Williamson (1994) and Keefe and
Smith (1997).216 See Wheeler, (1983). I argue that the point of the sorites, as well as of the other paradoxes Eubulides constructs, is to argue that Parmenides is right. Interestingly, after millennia, the paradoxes attributed to Eubulides are at the center of the philosophy of logic and the philosophy of language. Besides the Sorites, Eubulides proposed paradoxes involving presupposition, intentional contexts, andthe liar paradox.
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objectively correct. One version of this position is the
epistemicist solution; we will propose another version below.
3) Deny proposition c), and claim that in fact there are no
heaps, as the argument shows. This is the nihilist217 solution.
Each of these strategies has had recent advocates. The first
strategy has generated the largest literature.
The present theory is akin to an epistemicist account. It turns
on metaphysical views, borrowed or adapted from Davidson, about
language, predication, kinds, and truth. Being adapted from
Davidson, the theory is naturalistic, and eschews language-
transcendent concepts.218 From a Davidsonian or Quinean point of
view, of course, there can be no epistemicism resting on
inadequate grasp of concepts. Language is to be understood as
grounded in responses of organisms to their surroundings in a
social environment. There is no chance whatsoever that concepts,
as internal contents of predicates, could be constructed out of
such material which would divide all possible objects into those
which satisfied the predicate and those which did not. 217 “Nihilism” became the label for views that deny that sentences aboutmedium-sized objects and their properties are true. Wheeler (1975, 1979) and Unger (1979) proposed this view in the 1970s. Unger proposed“nihilism” as the label for the view, claiming that even more things than Wheeler thought fell under the sorites argument. More recently, Ted Sider and David Braun (2007) and Kirk Ludwig and Greg Ray (2002) have reached similar conclusions.218 The presentation below owes its inspiration to Vann McGee’s conceptualization of the sorites problem in terms of the relationship of usageand extension, in his presentation at the conference on Truth, University of Connecticut May 15-17, 2009.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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The Davidsonian proposal I will suggest is akin to an
epistemicist account in claiming truth-values for borderline
cases, but unlike an epistemicist claim, does not diagnose the
problem as some kind of limitation to our knowledge.
II Usage and Extension
As discussed in Chapter 1, Davidson supposes neither that
“concept-fitting” nor selection by privileged kinds that actually
exist determines what a predicate is true of. Only the truth-
condition clause gives the meaning of a predicate. One way to
articulate Davidson’s view is to raise the question of what the
relationship is between a term’s extension and usage.
What is the relation between the pattern of application of a
predicate within a culture and the extension of that predicate?
There are two standard general conceptions of this relation,
discussed in Chapter 1, while I will briefly review: The “meaning
is use” conception takes the content of a predicate to be
determined by some version of “what people say when,” and takes
the extension of a predicate to be a function of its content. The
monistic essentialist conception rests on natural segmentations
in the world as extensions of predicates. This section sketches
both familiar views and outlines their difficulties with the
sorites.
a) usage determines extension views
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The obvious naturalistic way to assign meaning or content to a
predicate is to take the meaning of a predicate to be a function
of “use” or “usage,” and to take the extension of the predicate
to be determined by its meaning. What the members of a culture
say when fixes all there can be to the content of a predicate,
and therefore all there can be to fixing what entities the
predicate is true of. The extension of a predicate, then, is a
projection from actual applications to all possible applications.
The use/usage-is-meaning view of extensions leaves extensions,
and so truth, indeterminable. For most of our predicates, no
amount of actual application-behavior will fix a single
projection that selects a single extension within the collection
of possible objects for which the question whether the predicate
applies might arise.219 No matter how many data-points one has
derived from applications of “is a table” no particular complete
extension, from among the infinity of psychologically projectable
sets that include those data-points, is selected. Thus there are
possible (and actual) entities such that it is indeterminable
whether that entity falls within the extension of, for instance,
“table.”
b) monistic essentialist views
219 This is the point emphasized by Vann McGee in his presentation
mentioned above.
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For a monistic essentialist, there is a privileged segmentation
of the world into kinds. This segmentation is reflected in laws
connecting kinds in the segmentation. These natural laws give the
essences of the kinds that are the extensions of terms. The laws
may be strict or may be Aristotle’s “always or for the most part”
laws.
Language-learning proceeds by acquaintance with such natural
kinds, which brands a given kind with a term. Alternatively, a
variety of stories about how evolution has equipped us to get at
the kinds or how our language-faculty has as its proper function
designating the right kinds are told. A metaphysical realist
conception of language and its relation to the extensions of
terms is externalist. The patterns of application of the
predicate, whether in the individual or in the society as a
whole, do not determine the extension. Usage has to have some
relation to extension in order for the reference-fixing to occur,
but that relation can be minimal.
This kind of externalism allows that, for properties and kinds of
objects that are governed by strict laws, there are no genuine
borderline cases—either a difficult-to-characterize entity is in
the extension or not. A metaphysical realist conception explains
the divergence between what one’s language-teachers teach and the
truth by appealing to a natural division in nature which selects
some extensions as appropriate extensions for predicates.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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c) Difficulties with the sorites
c1) extension is a function of use theories
For the meaning is usage theorist who takes extensions to be
determined by meaning, the sorites argument shows that for almost
every predicate, the meaning or sense of the predicate, if
resting on what people say when, does not determine an extension
even in familiar and often-encountered cases. Nothing about my
culture’s history of verbal behavior defines an extension for
“chair,” in the sense of sorting the possible objects into the
chairs and the non-chairs. The set of extensions that accord with
actual usage is insufficiently restricted to sort even the
actually available objects into the chairs and the non-chairs. An
account of meaning as resting on usage rather that nature seems
to condemn the usage-as-meaning theorist to incomplete meanings,
to multiple truth-values, precisifications, and the like.
c2) monistic essentialist
The monistic essentialist solution seems to address the problem
of determining a single extension to a term by assigning that job
to nature. However, monistic essentialism has difficulty in
application to medium-sized object predicates. If we interpret
necessity naturalistically, and treat natural kinds as determined
by natural laws, then a segmentation into natural kinds requires
that the natural kinds be the subjects of laws. Natural kinds are
supposed to have essences that yield necessary truths about when
they apply. For natural objects, those essences are expressed in
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 356
natural laws. But the laws about medium-sized objects and
organisms at best admit exceptions. They are loose relative to
the laws of physics, chemistry, or even cell biology. The sorites
illustrates that, for instance, even though we have a necessary,
perhaps probabilistic, relation of some kind between being a tall
man and having an adequate height in meters, there is no lawlike
relation that would determine what that height in meters must be.
As we have noted in Chapter 2, the basic idea of monistic
essentialist accounts of reference, that reference is fixed by
divisions in nature, seems to run afoul of the sorites, at least
on the assumption that the medium-sized objects of ordinary life
exist and so have essences.220 Apart from some quite unusual
predicates,221 kinds of medium-sized objects and their properties
are intuitively not completely determined by a privileged
segmentation in nature. At best, nature sets parameters within
which wide variation is possible. For objects such as tables and
turtles, if we imagine a particle-by-particle dismantling, there
appears to be no objective line at which the entity in question
220 For the arguments that if natural kinds are taken seriously as expressed by necessary truths, then any alleged kinds whose application cannot be determined by natural laws would not be real kinds, and so would not supply essences for objects, see Wheeler (1975). 221 Black holes, unlike most big objects, have a natural law-governed delineation, the Schwarzchild radius, defined by the escape velocity of a particle being beyond the speed of light. So black holes are precisely definedentities, as far as I can discern. I cannot think of other examples of macro-objects such that there is a precise point at which their borders begin.
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ceases to fall under the extension of “is a table” or “is a
turtle.”
A monistic essentialist who does not suppose that there is an
objective answer to questions about extensions of medium-sized
object count-nouns and properties becomes a usage-theorist about
all the predicates of ordinary life. In effect, supervaluation
abandons metaphysical realist selections of a privileged scheme,
and supposes that acceptable precisifications are acceptable
extensions for problem terms. “Acceptable” is then given by
usage.
Monistic essentialists thus are faced with awkward choices about
what to say about medium-sized objects and predicates of them. On
the one hand, it would be nice if there really were tables and
people. On the other hand, the whole idea that having an essence,
i.e. having objective existence and extinction conditions, is
required for reality is undermined by medium-sized object-
predicates and their vagueness with respect to other families of
predicates.
d) Davidson
d1) externalism without natural kinds
As discussed in Chapter 1, Davidson is an externalist about
extensions, but does not believe in a privileged, given
segmentation. Thus, for Davidson, all kind predicates that
actually apply to objects, i.e. all predicates for which there
are affirmative true sentences, are ontologically on a par. Of
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Introduction page 358
course there are electrons; of course there are tables, but there
are no leprechauns. For Davidson, we learn to apply terms by
triangulation, coming to call an object salient both to us and to
another by the same term. Davidson characterizes this
triangulation and its consequences as follows:
“Ostensive learning works first and best with whole sentences, in
practice often represented by what for the experienced speaker
are single names, common nouns, adjectives, and adverbs (`Mama’,
‘Man’, ‘Come’, ‘Good’, ‘Careful’). The child who has no more is
still a pragmatist. Once some grammar is in hand, however,
separately learned parts can be assembled in new ways, and truth
separates from the merely useful or approved. The references of
names, the extensions of predicates, the combinatorial devices
themselves, are in the hands of teachers and society; truth is
not.” (Davidson 2005, page 15)
Since there is no privileged segmentation into objects and
kinds of objects, there is much latitude in what groups of
salient objects are correctly called by the same term. Thus,
extensions are very much shaped by usage—what people say when can
yield sets of true-of-objects predicates that vary between
cultures and within cultures over time. Language is a human
creation, and human language-behavior shapes the ontology that
can be assigned to a culture. That is, given that most of what
people say is true, patterns of labeling behavior will shape the
extensions an interpreter assigns to a predicate.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 359
According to our relative essentialism, which I am treating
as Davidson’s implicit view, an ontology is an imposition or
positing of a set of predicates for putting the world into
subject-predicate form, in order to allow logical relations among
truth-functionally simple sentences. As we discussed in Chapter
3, “positing” should be thought of as by and large automatic,
coming from biological inheritance and culture. Only rarely do we
actively posit such things as gravitons and gluons and sit-coms.
Since there is no privileged segmentation, whatever can become
salient to humans is a possible partial extension of a single
predicate. But of course for the reasons given in Chapter 1 in
discussing the usage account of extension determination, no
amount of such training or decision-making about what to say when
will yield a single extension for an individual or for a culture.
That is, there is no projection from any finite amount of
identification of elements of the set to any particular set.
Since Davidson explicitly denies a privileged segmentation, the
difficulty is even more transparent.
For Davidson, though, extensions are not functions of the
content, in the sense of “content” that would be a projection
from usage. As emphasized in Chapter 1, the meaning of a
predicate is its truth-conditions. Extensions are given by the
deflationary-sounding formula, “`Is a dog’ is true of an object A
if and only if A is a dog.” Just as truth-conditions or meanings
of sentences are given in homophonic translation, so satisfaction
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 360
or truth-of conditions, that is, extensions, are given in
likewise apparently unilluminating form. So, even though meanings
and extensions are learned by imitating usage, the meaning is not
identical with the usage. Furthermore, for the reasons given
above that usage cannot select a single set on the basis of a
finite number of occasions of use, extensions, while not
independent of usage, could not be determined by usage. Usage is
evidence for meaning when we are interpreting, but meaning itself
is given completely by predicate-clauses in a truth-definition.
For Davidson, most of what people say using these divergent
predicates is true. For a Davidsonian, then, there are an
indefinitely large number of overlapping natural kinds, as it
were. All the distinct predicate-systems of different cultures
and all the overlapping kinds are correct posits, as long as
there are truths of the form “ExFx.” Given Davidson’s
externalism, a culture’s divergences from another culture means
that each culture’s entities are by and large real.222 Objects
overlap without being reducible one to the other. Diverse objects
can co-exist and overlap without getting in one another’s way.
Most importantly, diverse overlapping families of predicates can
overlap within a single culture, so that the distinct objects can
coincide.
d2) extensions
222 Gods, demons, auras, Guardian Angels and such can be exceptions. Davidson’spoint is that you could only come to think the other is mistaken by thinking the other is correct about a lot of other judgments.
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As we discussed in Chapter 1, the combination of externalism
about reference and denial of a privileged segmentation means
that Davidson can have objective extensions without supposing
that there is a single division of the world into kinds, and so
without having to rescue weakly-law-governed entities from the
threat of not being really part of what is. For Davidson, all
kinds are on a par ontologically. Some kinds are connected to
other kinds by very good laws; others by not so very good, “for
the most part” laws or by the kind of very vague generalization
that would tell us that tables have to have a fair amount of
matter.
Here, then, is my Davidsonian view about extensions and usage:
1) Predicates have extensions. The union of the extension of a
predicate and the extension of its negation is the universal set.
There is an answer, “yes” or “no” as to whether a given predicate
F is true of a given object A, for any A. Given that the meaning
of a predicate is given by its truth-condition clause, a
predicate’s meaning in a sense trivially “fits” what it is true
of.
2) Although of course learning a language is finding out about
the extensions of predicates by learning to detect elements of
their extension either directly or indirectly. We both learn to
detect perceptually when a predicate F applies and we learn F’s
connections to other predicates, and so can apply F by knowing
what else is true in the case at hand. But no finite amount of
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Introduction page 362
observation or training or collation of our culture’s
application-practices will prepare us to put every candidate for
“member of the extension” of a predicate, at least in general.223
That is, when we encounter or consider objects, always under some
description, and so with some posited nature, we are not equipped
in general to assign them either to F or to not-F.
3) Learning the extension of a predicate is only rarely learning
necessary and sufficient conditions using other predicates that
determines when a given predicate applies to a given object.
4) Extensions of predicates are not generally determinable by
determining extensions of other predicates, but are determinate.
That is, it can be in principle impossible to determine what the
extension of a predicate is for the general case that includes
every possible object.
Thesis 1) commits a Davidsonian to bivalence. One-dimensional
borderline cases of a predicate P are cases where one cannot tell
directly whether P is true of the case, P is known to depend on
nothing but truths from predicates in family Q, and all the 223 For the unusual cases where we can give the extension in other terms, such as “prime” and “composite” applied to natural numbers, membership in one or the other of the extensions is not determinable relative to some predicate families applying to numbers. “The number of planets” was once thought to be a prime, for instance. “Prime” and “composite” are only determinable relative to some ways of specifying numbers. This is masked by the fact that there is a procedure, in principle, for converting number-description of the form “the number of F’s” to a description for which there is an algorithm for determining whether a number is prime.
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relevant evidence from Q predicates is in. Given that there are
borderline cases where nothing can indicate to us whether a
predicate truly applies or not, there are sentences that are
determinately true or false when those sentences’ truth-values
are not determinable. Not being determinable does not mean not
being determinate.
Davidson and Quine would both call such situations
“indeterminacy.” Throughout this book, I have called such
situations “indeterminability.” So, I have spoken of
“indeterminability of interpretation” for instance. Why should we
think that determinacy requires determinability and that
therefore indeterminability is indeterminacy? The basis for this
view seems to be descended from the Verification Theory of
Meaning, via the Verification Theory of Meaningfulness. The idea
has been that, unless there is a possible procedure for detecting
whether a predicate applies in a case, it does not make sense to
suppose that the question whether the predicate applies or not is
not a question of fact. But the verification theory of
meaningfulness can only be obvious if one thinks that there is a
given level of experience or something relative to which all
questions are decided. Davidson argued against any such given in
Davidson (1974). There being no other terms relative to which a
given term is determinable would only imply indeterminacy if
there were other terms that were intrinsically more basic.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 364
If the meaning of a predicate is given by its predicate clause,
and there is no given articulation of the world into basic beings
relative to which all other beings must be understood, then there
are no given terms, either. So there being some situations in
which it is in principle impossible to determine truth-values of
predications does not mean that those predicates have no truth-
values.
Here is an example of an absolutely indeterminable predicate
whose truth or falsity of a given object is determinate. Consider
the infinite family of mathematical predicates P1, P2,… where P1
is “=2 if the continuum hypothesis is true, = 4 otherwise,” P2
is “= 3 if the continuum hypothesis is true, = 6 otherwise”, and
where Pn is “= the nth prime if the continuum hypothesis is true
and = the nth composite otherwise.” Relative to any of these
predicates, “prime” is indeterminable. From the information that
the number of my first cousins is P5, nothing can determine
whether the whether the number of my first cousins in 11 or 10.
It can be determined that it is either the 5th prime, 11, or the
fifth composite, 10. So, it given that I have 10 first cousins,
“The number of my first cousins is P5” is either true or false,
but absolutely indeterminable. But, supposing that Platonism is
coherent, that this predicate is always determinate but never
determinable is also coherent. So there is no necessary
connection between determinacy and determinability.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 365
It is of course true that predicates which have very little
connection to any other predicates and are rarely directly
determinable by observation, so that predications using them can
only rarely can be determined to be true, will be useless, and so
in a sense meaningless. But it is hard to see what argument could
be given that determinate truth-value requires determinability,
absent a ground-level of basic predications that are given by
nature.
So, a Davidsonian can be an epistemicist without supposing hidden
facts or states of affairs making such sentences true. There are
hidden facts in the notional sense described in Chapter 6, of
course, but the “inaccessibility” of such facts is not a defect
in our knowing abilities. For Davidson, truth is primitive.
Sentences are not “made true” by anything. For a variety of
reasons,224 there are no entities corresponding to true sentences.
Since there are no truth-makers, and truth is primitive, truths
do not have particular chunks of the world or particular
environmental incidents to fasten onto.
So, all terms have perfectly clear extensions, given by the
predicate-clause in the truth-definition.
III Theoretically justified bivalence and Davidsonian pragmatism
224 Davidson is an advocate of the Slingshot, examined in detail by Stephen Neale (2001). In any case, facts and other concrete correlatesof sentences are suspect on many grounds. There is the problem of binding, which goes back to Plato’s Parmenides, there is an implausible population of negative and general facts, and so on.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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A Davidsonian, following Quine, can allow that some truths,
typically true standing sentences and their instances, are
reasonably held to be true in virtue of theoretical
considerations. Useful analogies abound in mathematics. Neither
usage nor intuition would suggest that among the sub-groups of my
siblings there is the null set. Yet it is a theorem that the null
set is a subset of every set. We need that theorem to be true in
order to retain such principles as that everything that is a
member of the subset is a member of the superset. Likewise, the
idea that for any number, raising it to the zeroth power yields
one as value fits no intuitions about what “raising to the zeroth
power” means, since the notion is intuitively meaningless. This
truth is true because, among other things, n to the mth divided
by n to the pth equals n to the m-minus-pth. In both cases,
theory demands that a sentence be true. Accepting that truth is
harmless in both cases.
Davidson can say the same thing about the thesis of bivalence for
sentences using medium-sized object predicates. In cases in which
“there is no fact of the matter” there is no importance to the
matter either. Just as we run into no practical difficulties in
treating five to the zeroth power as equal to one, so we have no
practical difficulties in treating borderline cases as being true
or false, but it does not matter which.
For the reasons outlined below, namely the lack of sharp laws
connecting families of medium-sized object predicates and the
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 367
lack of perceptual determinations, it would be expected that
cases would arise where a predicate such as “is a tall man” could
neither be applied nor denied on the basis of inspection, even
though a predicate from another family, “is 1.78 meters tall”
could be, and whether an individual is tall depends on nothing
more than how tall the individual is. Without correlates of
sentences, i.e. facts or states of affairs, the phenomena of
vagueness are either cases of incomplete connection among
heterogeneous predicates or cases where perception does not
determine an answer and nothing else is relevant. But since all
it takes for “Joe is a tall man” to be true is that Joe be a tall
man, “is a tall man” has determinate truth-conditions.
In the case at hand, sorites arguments, the Davidsonian answer
would be that of course classical excluded middle holds for
sentences about medium-sized objects. There turn out to be good
reasons why, for many sentences, truth is not in principle
determinable. Among those sentences are predications which usage
does not fix as true or false. So, for example, at every point on
a continuum forced march, there is an objective answer as to
whether the entity is a tall man, even though there is in
principle no way to tell.
Just as in the cases of mathematical truths accepted for
theoretical reasons, accepting bivalence in non-semantic225 225 Given the existence of the semantic paradoxes, the general claim of bivalence, that every sentence is true or false, may be false. But therestricted claim that sentences attributing predicates to medium-sized
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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predications is harmless. As long as we do not suppose that there
are occult facts or other truth-makers, the claim that every
sentence is true or false, so that “Fred is tall” is true or
false, conflicts with no other claims we should wish to make. The
view is an epistemicism insofar as it assigns unknowable truth-
values to borderline cases. This acceptance of bivalence requires
no miracles nor does it require concepts to which we have
imperfect access. It just requires that we treat truth,
extensions, and meaning as completely given by the relevant
clauses in a truth-definition. Meaning is truth-conditions, where
that means that beyond “`Fred is a dog’ is true if and only if
Fred is a dog,” there is nothing illuminating and accurate and
general to say.
IV What is vagueness without truth-makers?
A presumption of the sorites is that the situation where a
man is 1.78 meters tall demands an answer about whether he is a
tall man or not. Why is an answer expected? Briefly, we have a
datum, a fact before us, specified by “is 1.78 meters tall.” In a
world in which that fact exists, it must, it seems, be the case
either that the man is a tall man or that he is not a tall man.
But suppose, as Davidson does, that there are no entities
corresponding to true sentences, i.e. no facts or states of
affairs. Then the truth-conditions of “Fred is 1.78 meters tall”
objects seems to have everything to recommend it.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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are just that Fred is 1.78 meters tall. The problem with “Fred is
a tall man” not being determinable is just that from “Fred is
1.78 meters tall” neither “Fred is a tall man” nor its negation
follows by law. So, one can infer neither the sentence nor its
negation from the “datum.” The point is that the datum is not a
given, but is already-conceptualized. The datum is a truth. So
why should it be surprising that neither “Fred is a tall man” nor
“Fred is not a tall man” can be derived by laws from another
sentence, “Fred is 1.78 meters tall?”
What gives rise to puzzlement is the truth that there is nothing
to Fred’s being tall other than how tall Fred is. So, we think
there ought to be a law and there isn’t. For well-behaved
predicates like “tall,” 226 there are indeed some lawlike truths
connecting “n meters tall” “taller than” and “tall man.” For
instance, if Joe is 1.8 meters tall and is a tall man, then any
man taller than 1.8 meters tall is a tall man. Height is the only
relevant dimension for “tall”, which makes it a favorite among
sorites theorists. But even though the family of predicates “is n226 “Tall” is well-behaved in many ways. One feature of being one-dimensional, unlike “nice” and “bald,” is that one-dimensional predicates have a non-vague comparative. For many concepts there is apparent indeterminacy not only for the attributive construction, but also for the comparative construction. It can seem indeterminate whichof two men, if either, is balder than or nicer than or more obnoxious than the other. With count-nouns in relation to particle-complexes the situation is even worse. No list of dimensions is forthcoming. Of two table-like objects, no laws determine which is more a table than the other. Only the vaguest “laws” connect material count-nouns with particle-complexes.
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units tall” has lots of connection with the family of predicates
“is a tall F”, the “is a tall F” family does not reduce to the
“is n meters tall” family. So, in many cases, we can know the
truth of a sentence about Fred using a member of one family
without knowing the truth of a sentence about Fred using the
other family.
Without truth-makers as correlates of sentences, “borderline
cases” are just sentences whose truth-values are not determinable
directly and are not determinable from the truth-values of other
sentences about the same object. A borderline case can arise if
there is a true sentence using one kind of predicate such that
there is no strict definitional necessary connection to the
truth-value of a sentence using another kind of predicate, but
where the two kinds of predicate are necessarily related. Since
height in meters is related to whether an individual is a tall
man, so that a man having a given height in meters is sometimes
obviously also a case of being a tall man, a sort of paradox
arises if we assume that because the truth-value of one
characterization of the situation is determinable, so must the
other be, that is, that there ought to be a law. So, “John is
1.78 meters tall” may be known to be true, while “John is a tall
man” may not be known to be either true or false..
If we do not suppose that there are privileged ways of
characterizing objects, then indeterminability arises from one
of two sources: First, we get indeterminability when only
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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perception is relevant to whether P, and perception just does not
divide cases into ones that elicit belief in P and those that
elicit belief in not-P. Second, we get indeterminability whenever
two families of predicates apply to some of the same entities,
have some necessary relationship, but lack precise laws relating
them. Vagueness arises from relations between predicate-families.
A predicate is vague if there are no non-trivial strict laws
connecting it with predicates from another family of predicates
applying to items in its extension.
We could define a “precise” predicate as one such that there is a
law-like relation connecting predicates from one family of
predicates true of an object with predicates from another. So,
“electron” is precise because of a law-like connection to
predicates of mass and charge. All and only electrons have that
particular mass and charge. A single non-trivial law-like
connection to another predicate family applying to the same
objects suffices. If we demand that preciseness and clear
essences require that a predicate is determined by any
characterization of an object, then no object will have an
essence, because no predicate is such that it is always
determinable whether it applies to an object under any
description. There are always predicates like the P-predicates
above.
V What happened to the paradox?
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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Very briefly, with a correct understanding of truth and
predication, a rejection of a “given” in which nature applies a
special predicate system to make beings real, and the realization
that therefore the truth that “`is a tall man’ applies to an
object a just in case a is a tall man,” gives a criterion for
application, there is no paradox.
For many theorists, the difficulty with this harmless
Davidsonian solution is that there is no obvious way to
generalize it to cover the semantic paradoxes. No such solution
is available for the semantic paradoxes, because they directly
generate contradictions. Thus the “indeterminable but
determinate” solution above will not work. . Thus the above
metaphysical take on the sorites abandons the quest for what
McGee has called the “Holy grail,”227 a single theory that will
handle the sorites, the liar, the sea battle, etc.
I think this quest is very much like the quest for the Holy Grail
in being directed at something that probably does not exist. The
sorites “paradox” is a phenomenon that is more or less bound to
occur when either: 1) We have a language with perceptual
predicates; or 2) We have a language with many families of
predicates whose extensions overlap, have truth-conditions
related to one another, but are not precisely definitionally
related. Relative to those other predicates in the language,
applications of the predicate are sometime indeterminable.
227 At the conference mentioned in previous footnotes.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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Applications of “tall” are sometimes indeterminable in relation
to “is n meters high.” Without another family of predicates
covering the same extension with some less-than-definitional
relation to the first, there is no indeterminacy, but only lack
of knowledge. We would have “`Fred is tall’ is true if and only
if Fred is tall,” and not know whether Fred is tall, but no
sorites paradox. Some attributions of “Fred is tall” would be
like speculations about details of the past—determinate but
unknowable. There is no paradox except relative to intuitions
that there ought to be a law determining the application of one
predicate in situations described by the other predicate. To
summarize: the sorites depends essentially on relationships among
predicates or a predicate’s relation to perception. No particular
predicates are “vague” except relative to some other predicates
or to perceptual training.
The semantic paradoxes involve only a single predicate. They
arise when a semantic predicate refers to semantic predications,
either by self-reference or by quantifying over items with
semantic properties. Intuitively something about sentences saying
semantic things about sentences or semantic terms applying to
semantic terms gives rise to paradox. The cases are not alike at
all. From Chapter 7, the “future contingents” part of the Grail
is also illusory. Seeking the Grail might still be fun, I guess,
but you don’t get to ride horses anymore, just type and think.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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Chapter 10 What We Ought to Do
“The ethical thing to do is to tell your wife. But I don’t think
you should”228
The reader will have noticed that the theory of what “good”
means in Chapter 9 employs the notion “ought.” This may seem to
be small progress in understanding ethical notions, since “ought”
is at least as puzzling and controversial as “good.” This chapter
will articulate and defend a Davidsonian account of “ought” and
its relation to ethics.
In brief outline, the account is that “ought,” rather than
“obligation,” is the fundamental ethical notion. “Ought,” as
Davidson (1970b) argued, is akin to “probably” in its logic. If
we understand “probably” to be a modality based on rationally
acquiring degrees of belief in the light of evidence, then we
should investigate the possibility that “ought” likewise has
something to do with rational expectations. “Ought” in its
application to cases other than human actions, indeed seems to be
true of a pair of things said just in case there is a chain of
true conditional probably-claims connecting the first argument to
the second. What ought to happen is what would happen if what
would probably happen always happened.
228 Advice columnist Amy Dickenson, (Ask Amy), Chicago Tribune, TT 500, 435 N. Michigan Avenue, Chicago, IL, 60611. (July 17, 2006)
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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Such an account can apply to prudential and moral “ought”-
sentences because principles of interpretation, as maximization
principles constitutive of agency, are both probabilistic and
normative. Davidson holds that interpretation must treat the
other as “a believer in the true and desirer of the good.”
(Davidson 1970a, p.222) Because this maxim of interpretation is
to maximize these features, the inference from a person being an
agent to believing a truth or desiring a good is probabilistic.
Interpretation embodies probabilistic inferences which are, of
course normative—this is what an agent ought to be. Every
principle of interpretation is probabilistic, given that
interpretation is holistic. So, the Davidsonian account of
“ought” will be based on the features that interpretation
maximizes. So, what one ought to believe and desire, and thus
what one ought to do is what reflects maximal belief in the true
and desire for the good. To the degree and extent that one’s
conception of the true and the good differs from another’s, the
truth about what one ought to do will be indeterminate. We would
thus expect that, while many ethical questions have objective
answers, many others do not.
A Davidsonian account of ethics starts with the notion of a
rational agent, the object of interpretation. “Good,” “ought,”
and other basic notions are predicates derived from the
“intentional scheme.” Questions about the objectivity of
judgments of what we ought to do that challenge the existence of
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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properties in nature such as “goodness” or “wrongness” have a
difficult time getting a purchase on this kind of theory. Given
the analysis of “good” in the previous chapter, and given the
account of properties in Chapter 6, the fact that goodness is not
likely to be a physically significant property of any kind says
little about the possibility that sentences using “good” and
“ought” are true. Given the view of ontology in Chapter 3 along
with the innocuous dualism of Chapter 4, the lack of systematic
fit between the predicates of science and ethical concepts is no
more a problem than the lack of systematic fit between medium-
sized object predicates and micro-predicates. They are different
things.
A critique such as Mackey’s (1977) presupposes a
metaphysical realist view about the world. On such a view, it
would be absolutely remarkable if there were a property picked
out by “good” or “wrong.” Such properties would be indeed queer.
On a view of properties as metaphysically inert, argued in
Chapter 6, and the pluralist “ontology” one arrives at by
treating beings and properties as imposed in order to think about
the world, this queerness just amounts to the lack of systematic
law-like connection between any properties of the medium-sized
object and organism world and the predicates of basic physics.
This account of what we ought to do in a situation will be
akin to an account of what we ought to believe, given some
evidence. It will not be an algorithm, there will not be a
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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metaphysical property “belief-worthiness” that reasonably
believed propositions have, but there will be right and wrong
applications of the predicate, based on the intentional scheme of
agent-interpretation. The difference is that action involves
desires as well as beliefs. Agent-interpretation is always
directed at actions, including speech actions. The following
account will be an extension of Davidson’s conception of rational
agency.
The first section of this chapter discusses the difference
between “ought” -sentences and “must” or “obligation”-sentences.
This difference has been ignored or understood badly by ethical
theorists, at least since Kant. As mentioned briefly in Chapter
5, these are two distinct modals with very different properties.
The second section develops a Davidsonian theory of “ought”-
sentences, and how such a theory applies to rational agents.
a) “Must,” obligation, necessity, prima facie obligation, and
“ought”
a1) “Must” and necessity
There are a number of distinct pairs of modals, including
“obliged/permitted,” “must/may,” and “has to/can” which have a
logic akin to necessity. While each has peculiarities of its
own,229 they can be treated together.
Consider these arguments:
229 Only people can be obligated, for instance, while anything that goesup must come down.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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1) “If you are Sophomore, you must take Sophomore English.
You are a Sophomore.
You must take sophomore English.”
Compare the above with:
2) “If you are a Sophomore, then you are necessarily a Sophomore
You are a Sophomore.
You are necessarily a Sophomore.”
Whereas the first argument is always truth-preserving, the
second argument is only sometimes truth-preserving unless the “is
necessarily” has narrow scope in the first premise, in which case
it is valid. Otherwise, argument 2) is an instance of the
Megarian fallacy. The conditions under which it would be a sound
argument would be that people are essentially Sophomores.
The distinction between wide and narrow scope does not apply
with “must” in argument 1) as it does with “must” in argument 2).
Consider argument 2) above in conjunction with:
3) “If you failed Freshman English, you must not take Sophomore
English.
You failed Freshman English.
You must not take Sophomore English.”
Taking the first premises of 1) and 3) to be simultaneously
true, a student could have two obligations which are in conflict.
The obligations expressed are requirements. If the authorities
allow those who have failed Freshman English to become Sophomores
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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anyhow, the rules from which the obligations are derived are
incoherent.
Conditional obligations are conditionals whose antecedents’
truth requires the obligatoriness of the consequent. On a wide-
scope reading of conditional necessity, the truth of the
antecedent requires the truth of the consequent, not its
necessity. There is nothing as it were halfway between the
obligatory and the permissible, as truth is between the necessary
and the possible.
As formulators of deontic logic have observed for over half
a century, the pairs “is obligatory”/ “is permissible” and
“must”/”may” behave in many ways like “necessarily” and
“possibly.” Just as “not possibly not” is equivalent to
“necessarily,” so “not permissible not” is equivalent to
“obligatory.” The equivalences are similar for other pairs of
predicates and their negations. But, as the examples above show,
the “obligatory”/”permissible” and “must”/”may” pairs and the
“necessary/ possible” pair are not quite alike.
One way to see the difference is to suppose the conditional
in both conditional obligation and conditional necessity is a
truth-function.230 Then one could say that the contrast is as
follows: Conditional necessity with wide scope just says that a
230 Other conditionals are at least like the truth-function in being false when the antecedent if true and the consequent false. So other conditionals are at least disjunctions.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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disjunction is necessarily true. Thus, it has to be that if one
disjunct is false the other is true.
Conditional obligation, on the other hand, says that the
conditional being true is obligatory. The modal has scope over a
conditional. So, it is your obligation that the conditional be
true and so you must make the conditional true. So, if the first
disjunct is false, you must make the other one true. So the
modality applies to the consequent if the antecedent is true.
Thus, in the case of “is necessary,” the scope of the modal
predicate, whether it applies to the conditional or just to the
consequent, matters. In the case of obligation, while there is a
syntactic difference between the modal predicate applying to the
conditional and just to the consequent, the two scopes are
equivalent in practice.
“Necessity,” “possibility,” “is obligatory” “is
permissible,” “must” “can”, etcetera, are one-place predicates of
things said. Very plausibly, conditional necessity and
conditional obligation are just ordinary truth-functional
conditionals either falling under a modal predicate or having
consequents which fall under a modal predicate. That is, these
modalities are conditionals combined with a modal.
a2) The truth-conditions of “must”
It has seemed to many people that “must” is ambiguous
between a physical and a moral sense. “What goes up must come
down” is incompatible with “Fred went up but did not come down,”
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whereas “One must pay what one owes” is compatible with “Fred
owed Bill and did not pay him.” A Davidsonian will seek an
account according to which “must” means “must,” a single
predicate applied to something said. Here is what I propose: “Must” is a predicate whose truth-conditions amount to “is a
consequence of F being true,” where “F” can be just any sort of set of
sentences. The set of sentences need not be described by listing the
sentences. “The laws of nature” and “the laws of obligation” specify sets of
sentences, but not ones most of us could list. In the case of a sentence like
“Since it’s Tuesday, this must be Belgium,” “F” is the schedule of the tour.
Notice that “must p” is sometimes weaker in force than “p” alone. A
sentence that follows from some other sentences will not necessarily be true
if the generalizations from which you are deducing are only probably true.
You’re waiting for the arrival of Fred, and you hear a familiar motor in the
distance. “That must be Fred” may be true231 even when it is not Fred, but
someone else driving Fred’s car. The set of generalizations from which you
deduced that this arrival must be Fred were presumably only probabilistic. If
A is a consequence of a set of sentences B, A may be true or false, unless the
sentences in B are true. Only relative to being a consequence of true
sentences does the content of the consequent of the conditional follow. In the
case of the tourist above, the “must” relies on schedule-notations like,
“Monday: Amsterdam. Tuesday: Brussels,” and the like. Those notations’ truth
entail that if it’s Tuesday, they are in Belgium. If the tourist’s bus has
been hijacked without her knowledge, and she is in fact still in Holland, what
231 This needs some defense. When it turns out not to be Fred, we may say “No, it’s Sheila.” This is much like when someone asks what the weather will be and I say “NOAA says it will rain.” The report “No, itwas dry all day” does not say that my report was wrong, but the that probabilistic claim of NOAA was mistaken.
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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she said is true. On the other hand, if in the same circumstances she had said
“Since it’s Tuesday, this is Belgium” she would have been mistaken.
In many applications of “must” the conclusion of what must be is not
even probably true. In “If John owes Fred money, he must pay him” the “F” is a
system of universal descriptions of peoples’ actions in situations, roughly
set of the universal generalizations which describe people fulfilling their
obligations. “Everyone pays what they owe” would be a member of the set. The
“must” relative to these universal generalizations gives only weak support to
the conditional being true. People often fail to pay what they owe. The
probability may approach zero when the “must” is something like “Fred must
treat all person’s interests as equally important.”
If the contextually referred-to sets of sentences are true, then “must”
will agree in truth-value with “necessarily,” and what must happen does
happen. So, when the “F” is whatever the laws of nature are, or “the present
circumstances,” one is warranted in inferring “q” from “If p then must q” and
“p.” The requirements of nature and reality get enforced, as it were. Thus we
get the appearance of two “senses” of “must.” The “must” of “What goes up,
must come down,” does indeed support the inference from “Fred went up” to
“Fred went down,” but the inference is truth-preserving because the laws of
nature and the facts about reality, whatever they are, are true.
“F” is understood contextually, but is of course subject to
interpretation. If Bill says “You must to pay Fred, because you promised to,”
we could suppose that Bill is under the impression that the laws of nature
require fulfillment of promises. Since that is unlikely, it is probably not
the requirements Bill means.
a3) Anankastic conditionals
A much-discussed kind of “must”-sentence is what are now called
“anankastic” conditionals,232 which are conditionals with a clause about an
232 See for instance, von Fintel and Iatradou (2005) and Kaufman and Schwager
(2009).
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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agent’s desire in the antecedent. We will encounter this kind of sentence
below in the discussion of Kant’s “hypothetical imperatives.”
In much of the literature, “anankastic” covers such conditionals with
“must” and with “ought.” On my view, as we will presently see, “If you want a
Big Mac, you ought to go to MacDonalds” and “If you want a Big Mac, you must
go to MacDonalds” are two very different conditionals.
The difficulty with such sentences is that they have two readings, only
one of which seems to fit the above account. Suppose heroin is very bad for
you and that Fred is the only person who supplies heroin to users. Then “If
you want heroin, you must contact Fred,” and “If you want heroin, you must get
into a rehab program” both seem to be true. The first sentence tells you what
the requirement is, given the facts, for getting the object of your desire.
The second says what, given that you have the desire, you must do, according
to some requirements. Only the second reading accords with the form ascribed
above to conditionals with wide-scope “must” in the consequent. Nothing
requires that that a person do what she wants to do.
My account of the first case is that the “must” really applies to “You
get a Big Mac, only if you go to McDonalds.” The facts, namely that Big Macs
are available only at McDonalds, require this conditional to be true. The
normal case is that one’s wants are also in one’s interest and in accord with
any requirements one may recognize. In those cases, what one must do, given
that one fulfills this want, is what is required to fulfill that want. Of
course, strictly speaking, a desire does not obligate a person to do anything,
unless it is a desire that must be changed or satisfied. Morality demands that
desires to torture people be changed, since that is a bad desire. But, in
other cases, the sentences are not literally true.
The fact that you want a Big Mac does not require you to go to
MacDonald’s. However, normally, when your wants are acceptable, what you must
do given a want, all things considered, is, and given the facts, is the only
way to satisfy that want. This point has been obscured by the identification
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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of “must” and “ought.” As we will see, there are things you ought to do, if
you want a Big Mac. As it happens, when there is only one place to get a Big
Mac, what you ought to do and what you must do will agree. The agreement in
this kind of case will lead Kant to think of conditional “must” and “ought”
sentences as imperatives and as synonymous.
In the general case, though, anankastic conditionals with
“ought” in the consequent say that the content of the consequent
is optimal given the circumstances. For example, that you ought to
take I-84 and connect with the Mass Pike to get from Hartford to
Boston does not imply that there is no other way. I-91 to Route
20, and taking a town road in Sturbridge to Route 9, will get you
to Boston, but is quite a bit longer. However, if there are
construction delays on the Mass Pike, or if you want to enjoy the
scenery in the Brookfields and have lunch in Worcester, the
longer route might be the one you ought to take. Relative to
other circumstances, other actions may be optimal. While
anankastic conditionals with “must” could be construed as
hypothetical imperatives, such conditionals with “ought” cannot
be. They are recommendations. We will discuss below how
anankastic conditionals with “ought” can justify the analysis of
“This is a good hammer” as approximately, “If you want a hammer,
you ought to want this.”
a3) “Ought”
The logical patterning of conditional “ought”-sentences is
quite different both from conditional “must” sentences and from
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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conditional necessity. Both “If it is her birthday, you ought to
kiss Susan” and “If Susan has the stomach flu, you ought not to
kiss Susan” may both be true while Susan has the stomach flu on
her birthday. With “must” or “is obligatory” replacing “ought” in
these sentences, the situation would be incoherent. In the
situation where Susan has stomach flu on her birthday, there are
not two things you ought to do, but only one, whatever you ought
to do given that Susan has the stomach flu on her birthday, which
is presumably not kiss her, most of the time.
What you ought to do given that Susan has stomach flu on her
birthday, though, does not definitively show that you ought not
to kiss Susan. While “If Susan has the stomach flu on her
birthday, you ought not to kiss her” is true it may also be true
that “If kissing Susan on her birthday and she has stomach flu
will awaken her from the evil queen’s spell, you ought to kiss
her.” In that case, presumably, you should take the risk of
catching the flu, the fact that it is Susan’s birthday paling in
significance in the context of the evil queen’s spell.
As Davidson (1970b) building on Hempel (1960) pointed out,
this logical patterning is very like that of conditional
probability claims. Given that “If A then probably B,” with
“probably” having wide scope, says the same as the more technical
“The conditional probability of B given A is high,” it can be
true both that “If Joe is in the NRA, he is probably a
Republican” and that “If Joe is for legalizing recreational
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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drugs, he is probably not a Republican” while Joe is an NRA
member who is in favor of legalization. Conditional probability
is a relation between the antecedent and the consequent. As noted
in Chapter 5, there is a proof that conditional probability
cannot be the probability of any conditional. That is, unlike
conditional necessity and conditional obligation, “if…then
probably…” cannot be a modal applied to a conditional. Of course
“If A then probably B,” with “probably” having narrow scope can
be a conditional with a “categorical” or “all things considered”
“probably” sentence as consequent.
“Probably” I understand to be primarily about inductive
support, and so reasonable degree of belief, relative to some
evidence. That is, it is a modality dealing with rationality. The
concept of the objective likelihood of an event, as in quantum
mechanics, I take to be a kind of extension of this notion
If the logic of “ought” is like that of conditional
probability, then there is no mystery whatsoever about how these
“ought”-sentences can all be true. Just as, relative to different
evidence, the conditional probability of an event can be
different, so relative to different considerations, what you
ought to do can be different.
The inferences that proceed via “ought”-sentences would
likewise be inductive. In general, no matter how high the
conditional probability of conclusion C given evidence (p1…pn),
the conditional probability of C given (p1…pn, pn+1) may be quite
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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low. No matter what ironclad evidence one has that Fred is the
murderer (Fred hated Bill, was there when Bill died, had
threatened Bill, etc.) when it emerges that Fred died before the
murder took place, the case against Fred collapses. In
induction, additional premises can weaken a strong argument for a
given conclusion. In deduction, if an argument from premises (p1…
pn) to conclusion C is valid, the argument from any number of
premises that include (p1…pn) is also valid. If every model on
which p1 through pn is true is also one on which C is true, then
a fortiori any model on which p1 through pn, pn+1…pn+m is true is
one on which C is true.
Because “ought” has nothing close to the Kolmogorov axioms
as constraints on any possible application of an “ought”-
predicate to a conditional, there is no rigorous proof that a
conditional “ought”-sentence could not be an “ought” predicate
applied to a conditional, i.e. that the conditional “ought”
cannot be the “oughtness” of some conditional. However, the
examples from Davidson (1970b), as well as the analysis below of
conditional “oughts” as conditional probabilities should make the
thesis plausible. If the analysis is correct, the proof for
conditional probability will be a proof for “ought.” To summarize: There are important logical differences between “ought”-
sentences and
“must”-sentences. Obligations, the entailment relations between
sets of sentences and the content of the “must”-clause, remain
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
Introduction page 388
whatever else turns out to be the case. On the other hand,
conclusions about what one ought to do can change in the light of
additional information. As the examples illustrate, a strongly-
supported “ought” can be undermined by additional information.
There is every reason to treat these modalities as distinct, and
not to use “obliged to” and “ought” as synonyms. Nevertheless,
the continuing tradition in ethics treats these notions as
essentially the same. It is worthwhile to speculate on why that
has been the case.
a4) Assimilating “ought” to “must”: KantThe assimilation, against all the evidence, goes back at least to Kant.
Given Kant’s prominence in shaping thinking about ethics, it is worth seeing
how this assimilation takes place. Kant’s Groundwork of the Metaphysics of Morals
contains a very influential discussion of the logic of “ought”-sentences,
identifying them with “imperatives” and distinguishing between “hypothetical”
and “categorical” imperatives. This is of course a great work, but it has a
blind spot about “must” and “ought.”
Kant’s discussion in the opening passages is designed to show the accord
of Kant’s theory with peoples’ ordinary, pre-theoretical moral and semantic
intuitions concerning “ought.” Kant is implicitly arguing that the categorical
“ought” is a categorical “must” by asserting that the conditional “ought” is
really a conditional “must.”
However, the examples Kant gives of “hypothetical
imperatives” do not have the characteristics he ascribes to such
imperatives. Kant’s examples fit the logic of “ought” rather than
Wheeler: Neo-Davidsonian Metaphysics: From the True to the Good
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“must.”233 Such an “ought,” if Kant had taken it to be the core
notion of ethical reasoning, would yield an ethics very different
from the one Kant thought was obviously right.
As discussed above, conditional “ought”-sentences with a
desire-clause in the antecedent are not necessitations. So the
233 Consider the following passages: (The paragraph numbering is based on the Academie Edition of Kant’s works (1911), Volume Four. The translation is mostly James Ellington’s (1983). 1) 413 “All imperatives are expressed by an ought…” The German says “Sollen,” not “Mussen.” “Ought” and “should” are the appropriate translations. “Must” would be the appropriate modal in imperatives, so an implication is that “ought” and “must” are synonymous. 2) 414 (my emphasis) “Now all imperatives command either hypothetically or categorically. The former represent the practical necessity of a possible action as means (The translator inserts a definite article,giving “as a means.” Neither a definite nor an indefinite article precedes “means” (Mittel) in the above passage. However, the logic of “practical necessity” and congruence with the passages on 417 below would seem to require “the,” if an article were needed. So the insertion of “a” by the translator is uncalled for.) ……Every practicallaw represents a possible action as good and hence as necessary……Now if the action would be good merely as [a] means to something else, so is the imperative hypothetical.”3) “the only means,” “the means,” and “the sole means”
The passages below (with my emphasis) show that Kant’s conceptionis that “ought” means “must” and implies that willing an end requires willing a particular means. Given an end, there is a single means thatmust be willed also.3a) 417 “But when I know that the proposed result can come about only by means of such an action, …”3b) 417 “Whoever wills the end wills the means that are indispensably necessary to his actions and that are in his power.”3c) 418 “…whoever wills the end also wills…the sole means thereto which are in his power.”
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“ought” in such sentences is not a “must.”234 Of course, as noted
above also, there are anankastic “must” sentences which are
appropriate when the desire itself must be dealt with or there is
only one way to satisfy it.
There are some consequences of Kant’s being convinced that
“ought” means “must.” Kant’s categorical imperative, using “must”
and therefore having a deductive logic, allows an agent to
determine what must be done given limited information. Once an
Necessitation would follow from “sole” “the” and “only.” “Must” would indeed be appropriate and the sense of “ought” in “hypothetical imperatives,” since the proposed end would indeed select exactly one means.
The examples of hypothetical imperatives Kant gives in this exposition are as follows:415: “The prescriptions needed by a doctor in order to make his patient thoroughly healthy and by a poisoner in order to make sure of killing his victim….”417: “Mathematics teaches us …that in order to bisect a line accordingto a sure principle I must from each of its extremities draw arcs suchthat they intersect.”
These two examples obviously fail to fit Kant’s characterization of the “hypothetical imperative.” Kant’s examples both mention means that have alternatives and so are not necessitated. He uses “must” butthe examples would only support an “ought,” in the circumstance that these are optimal solutions. There are many ways to poison someone andmany procedures for bisecting a line. So, these are not cases where “the only means,” “the means,” or “the sole means” is being given for satisfying a particular desire, so “must” is inappropriate. Only Kant’s willingness to treat “must” and “ought” as synonyms allows these examples to seem plausible.
234 In fact, there is a weak implicature from “ought” to the negation of“must.” “If you want to major in Philosophy you ought to take 211” is misleading if 211 is in fact required. “Ought” weakly implies that youhave a choice rather than a requirement, unlike “must.”
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agent knows that an action would be a lie, for instance, its
moral character is determined. New information about the
circumstances in which a person is tempted to lie are irrelevant,
just as, if X implies Y, X conjoined with any other sentences
whatsoever also implies Y. If new information could change an
ethical evaluation, a good will would not protect you from doing
the wrong thing. Circumstances that an agent was not aware of
could make the negation of a now-justified “ought”-judgment true.
You could, with the best of intentions, maxims, and care, do the
wrong thing. If “ought” is like conditional probability, this
would be the case. A person always acts on less-than-complete
information, and if missing information could change the
judgment, action would always be possibly wrong.
What motivates Kant’s assimilation of “ought” to “must”?
Kant knew the answer he expected to get about the logical
structure of a moral theory. Kant thought he knew that a correct
ethical theory would be a system of laws. Such a system would
provide a person with the possibility of never knowingly doing
the wrong thing. If morality is such that a human can be sure of
doing the right thing given limited information, it must be based
on principles whose application to a situation determine the
moral quality of the action. The idea that any wrong action is
one that could in principle be avoided by sufficient care and
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obedience is reflected in the New Testament235 as well as in the
Hebrew Bible.236
If new information could undermine an ethical conclusion,
then, since there is always the possibility of finding out more
about a given situation, no action would be morally secure. The
great advantage of an ethics with “must” is this moral security.
“Ought”-sentences as they really are offer no such security.
a5) “prima facie obligation”
Continuing in the same tradition as Kant, but being
sensitive to the fact that true “ought”-principles can be in
conflict, W. D. Ross (1930) constructed the idea of “prima facie
obligation.” The idea is that although “ought” is the same
concept as “must” or “is obligated,” “ought”-principles and
“obligation”-principles are often “prima facie” principles,
principles that apply “other things being equal.”
This idea, while it allows for an ethical theory more in
accord with common sense, gets the linguistic facts completely
wrong, and so blocks any progress toward having a correct ethical
theory.
Let me illustrate what is wrong with the notion of “prima
facie obligation” by an analogy. One could hold that all 235
? “Be Ye therefore Perfect, even as your Father which is in heaven is
Perfect,” (Matthew 5:43-48)236 “For this Torah I enjoin on you today is not beyond your strength orbeyond your reach. It is not in heaven.” (Deuteronomy 30:11-12)
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connections among events are necessary connections. The
principles which express those connections, however, are
sometimes prima facie principles. Suppose we take the following
sentences to be literally true:
1) “If Fred is an NRA member [N], he has to be a
conservative[C].”
2) “If Fred is for legalized recreational drugs[R], he can’t be a
conservative[C].”
Suppose, as is possible, that Fred is both an NRA member and for
legalizing drugs. Then these modal conditionals are true even
though the de-modalized conditionals are not. That is, taking the
truth-functional conditional to be the minimal truth-condition
for any conditional, and assuming that if something is necessary
then it’s true, we get [(N/\R) /\ (-N v C) /\ (-R v -C)], which
is contradictory.
A theory akin to the theory of prima facie obligation that
allows 1) and 2) to be simultaneously true would be the
following: “Necessary” and its synonyms “must be” “gotta be” and
the like, have a “prima facie” sense as well as an “absolute”
sense. A conditional can be prima facie necessary without its
truth-functional correspondent being true. Some uses or senses of
“necessity” express “prima facie” necessities.
Calling the necessity “prima facie” means that there is some
connection between the states of affairs mentioned in the
antecedent and the consequent, and that other things being equal,
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that connection is manifest and operative. Thus, prima facie
necessity is equivalent to the “real connection” sense of
“probably.” “If Fred is an NRA member, he is probably a
conservative” is an alternative to the “prima facie” use of
necessity. So “probably,” another “connection” term, is
assimilated to necessity. Probability or prima facie necessity is
just a lower degree of absolute necessity.
Such a theory would be completely misguided. The obviously
right thing to say is that sentences 1) and 2) are hyperbolic.
Yet a precisely analogous theory seized the minds of many ethical
thinkers. The logic of “ought” was treated as the logic of
obligation, which indeed behaves like traditional necessity. The
unhelpful fudge of “prima facie obligation” was supposed to fit
such a theory to some intuitive facts.
Fundamentally different things are assimilated by treating
probability as a weakened form of necessity. “Probably” is
primarily epistemic; whereas “necessarily” is ontological.
“Probably” is supported by reasons to believe that something is
the case, and governed by norms of what it is rational to
believe, given other beliefs. “Necessity,” on the other hand,
necessitates. Reasons making something necessary are not norms
for rational beliefs, but laws of nature, mathematics, or (if I
am wrong) metaphysics. So reasons making something necessary
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cannot be counter-balanced. 237 Roughly, “probably” is the
modality for inductive inference, “necessary” the modality for
deductive inference. A strong inductive argument can be weakened
by the addition of further information. You can have very
compelling evidence that Fred is the murderer, only to have it
overwhelmed by a newly-discovered videotape. On the other hand,
if a deductive argument is valid, then any additional information
cannot affect its validity.
b) The theory of “ought”
b1) “Ought” and conditional probability
Just as is the case with “good” and every other predicate, a
Davidsonian theory of the truth-conditions of “ought” should
treat homonymy as a last resort. The default position is that
“ought” means “ought.” The basic semantics for “ought”-sentences
should be the same for “If you turn the key, the car ought to
start,” “If you want a nice meal, you ought to go to Cavey’s” and
“If you are an agent, you ought to treat people with respect.”
The logical form of “ought”-sentences tells us something
about them. As discussed in Chapter 5, “ought”-sentences are two-
237 This feature of necessity corresponds to the fact about “must” thatreasonably unmet obligations remain. Even though you should ignore some obligations sometimes, you still have to compensate those you letdown. If you’re deciding who to ask to the prom, and end up asking Joan, you don’t have a debt to Jane, even though there were reasons for asking her as well. But if you invite Joan, and then stand her up because your mother takes ill, you have to apologize, even though you did what you ought. The relation between what we ought to do and obligations is discussed below.
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place predicates of things said. So, “ought” is some kind of
relation between things said, propositions. The following is a
theory about what it takes for the “ought”-predicate to apply to a
pair of things said, not an account of logical form.
The first thing to notice about conditional “ought”-
sentences is that there are many which say almost the same thing
as the corresponding conditional probability sentence. “If Fred
hit that log in the right spot, it ought to have split with one
blow” and “If Fred hit that log in the right spot, it probably
split with one blow” seem at least very close. They both have the
feature that antecedent-strengthening does not in general
preserve truth. “If Fred hit that log in the right spot and it
had a knot running through it, it ought to have split with one
blow” does not follow and does not follow with “probably”
substituted for “ought.” Thus, also, neither conditional
detaches. From the truth of the “Fred hit that log in the right
spot” “It probably split/ought to have split with one blow” does
not follow.
An hypothesis worth pursuing is that “ought” is a
compounding of probability. “Ought” has the sense of “ideally
will” that “probably” doesn’t. Consider the following story: For
those of us who graduated from middle-school in the 1950s, for
any pair of three-digit numbers, if we were asked to find their
product, we would probably be successful, remembering to move the
interim result to the left for the tens and the hundreds places,
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and so on. The same thing holds with long division, subtraction,
and so on. When we did our income taxes by hand in ancient days,
there were many such calculations to do to find out how much we
owed the IRS. The probability that we would get the right result
in the end was very low, due to the multiplicative laws about
probabilities. So, routinely, we would have to double- and triple
check our arithmetic. If there was a 90% chance of our getting
any particular calculation correct on one try, there was only
about a 35% chance of getting ten right answers in a row. If the
IRS required ten calculations, then, we would probably not get
the result we ought to have gotten.
A natural idea, developed in Wheeler (1974), is this: The
result we ought to get is the result we would get if, for each calculation, we got what we
would probably get. The idea is that “ought” is a kind of chain of
conditional probabilities. The sense of ideality present in
“ought” sentences but not in probability sentences is captured by
this idea of a chain. In very short chains of probabilities, both
the “ought”-sentence and the “probability” sentence are likely to
have the same truth-value. In very long chains, the agreement in
truth-values will be low, unless the probabilities are very high.
I would probably not get the result I ought to get. The intuitive
idea of this chain of conditional probabilities is rather hard to
specify in detail.238
238 See Wheeler (1974). There, the chain of conditional probabilities isconstructed so that the antecedents become more and more complex conjunctions. Roughly, “If you have multiplication problem A, you will
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b2) “Ought”-sentences about rational agents
A chain of conditional probability sentences connects with
human beings and what they ought to believe, desire, and do
because the principle of rational agent interpretation are all
maximization-principles. Other things being equal, if I believe
p, the person I’m interpreting believes p. Other things being
equal, if I desire p, the person I’m interpreting also desires p.
A Davidsonian ethics starts from the claim that mostly correct
desires and mostly true beliefs are constitutive of being an
agent.
Thus, a Davidsonian theory of “ought” for rational agents is
akin in some ways to Kant’s ethics. Kant attempts to derive the
probably calculate B. If you have calculated A and B, you will probably calculate C. If you have calculated A, B, and C, you will probably calculate D.” And so on. The chain idea is that, at each step, if a calculator has gotten this far, it is probable that the calculator will successfully get to the next result. Of course, after a while the cumulative conditional probability of the speaker having gotten to this point, that is, having correctly calculated the first, say twenty long division and multiplication problems, is very low. Butgiven that the calculator passed the eighth grade, for each calculation, the probability is high.
When you try to see how these chains can go, you have to block various side-tracks by various ad hoc devices. You also have to block infinite sequences at various points. The project of coming up with a precise definition of “ought” in terms of “probably” is something likethe project of trying to define “x knows that p.” Whatever conditions one puts in, there is probably a clever counter-example. I take this lack of a sharp definition in other terms to be a characteristic of all but a very few notions that we perfectly happily use in negotiating our way through the world.
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normativity of morality from the normativity of action. Kant239
argues that the very concept of acting on purpose requires that a
perfectly rational agent do only what has a coherent general
principle. Thus acting for reasons consistently requires acting
in a way that everyone could act. Kant argues that meeting this
minimal necessary consistency condition for rationality is also
sufficient for doing the right thing. Kant, of course, construes
“coherent general principle” as an exceptionless universally
quantified principle.The other Kantian route from rationality to morality argues that it is
irrational to take one’s own reasons as an objective motive for action but notto take others’ reasons as similarly objective. A Davidsonian ethics, as developed below, will adapt an analogous route in order to connect the prudential with the moral “ought.”
One core idea in Donald Davidson’s philosophy suggests a way to revive the part of Kant’s project that derives ethics from agency and rationality. Interpretation operates under probabilistic constraints constituting the concept of agency. In order to be understood as an agent at all, a speaker or actor must hold mostly true beliefs, must by and large value things that it isreasonable to value, and must by and large make reasonable inferences. That is, agency itself is constituted by probabilistic concepts. To interpret another entity as an agent is to treat that entity as governed by probabilistic notions. “The principles of rationality” are just these probabilistic constraints that we impose on interpretation.
Davidson is profoundly anti-Humean in his conception of desires and their rationality. For Davidson, having mostly correct desires, that is, desiring the good, is constitutive of being a rational agent. The Humean alternative, that, as far as rationality goes, anything can be an object of desire, would make interpretation of actions impossible. Any action could be taken to express any set of beliefs whatsoever if the intentional system imposed no constraints on the contents of desires.
A version of the private language argument will illustrate this point. If rationality consisted only in believing the true and revising beliefs correctly when new evidence arises, then there could be no evidence that
239 This summary of Kant focuses exclusively on arguments in Kant
(1785).
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someone believed a falsehood. The sole maximization constraint would be “interpret the Other in a way that maximizes agreement.” Given appropriate assignment of desires, whatever the person said or did would reflect only truebeliefs. If the person says something that one would take to be mistaken, suchas “Venus is always at a uniform distance from the Earth” an adjustment in thespeakers desires, for instance to test us or mislead us, allows the interpreter to ascribe the correct beliefs about the distance from the Earth to Venus. What appear to be disastrous choices, for instance betting all hers assets on red when in fact black is what the roulette wheel ends up at, is compatible with the actor’s true belief that black will win by supposing, as would be required, that the actor wants to lose all her assets. Her dismayed sobbing, while perhaps not an intentional action, will have nothing to do withthe interpretation of her beliefs. On the Humean conception, no action would give any indication whatsoever that the person thinks any future event will happen. Absent constraints on the assignment of desires, no words or actions can indicate false beliefs. The person can be assigned true beliefs about any outcome no matter what happens. The Wittgensteinian point is that if no alternative behavior would manifest a false belief, no behavior can manifest a true belief. Given that interpretation is possible, that we can assign beliefsand desires on the basis of what is said and done, constraints on the contentsof desires are required. As I argue below desires are true and false, depending of whether their object is a good, given the circumstances.240
Actions, including speech-actions, are explained by belief and desire, the core concepts of ‘the intentional scheme.” In general, any behavior can beinterpreted as an action expressing a given set of beliefs, if there are no constraints on desires; and any behavior can be interpreted as expressing any desire, if there are no constraints on belief. Both kinds of constraints are essential to applying the intentional scheme.
Davidson, viewing interpretation holistically, holds that by and large we and the other must share beliefs and desires. While there are desires it isrational to have, namely the ones agreement with which we maximize in interpretation, there is no particular desire that a rational agent must have. The advantage of Davidson’s approach is that it allows us to treat those with some irrational desires as still agents. Agents with some irrational desires must still be subject to rational understanding. It will be possible to assignirrational desires to an agent given a background of rational desires. Davidson’s holistic conception of “constitutive” accommodates the fact that we
240 A Davidsonian should happily agree with McDaniels and Bradley’s (2008) that desires are themselves two-place relations between propositions. Rationality of desires will be partly a matter of appropriateness. A desire to take an umbrella if rain is likely makes sense, whereas a desire to take an umbrella if one is wearing black socks may not.
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must use the intentional system to understand behavior as action at all. A Davidsonian account of rationalization of misguided actions based on irrational desires would be akin to Davidson’s account of weakness of the will(1970b).
Normativity is derived from conditional probabilities relative to agencythat come from principles of interpretation. Put another way, interpretation itself is governed by norms of rational agency. The principles of agent interpretation, after all, can easily be construed as “ought” sentences –what beliefs and desires we ought to ascribe to a person, and that the person oughtto have. My Davidsonian strategy is to show how ethical concepts derive from this normativity implicit in interpretation of an agent.
One of the features of “ought”-sentences, as is the case with other modals, is that they are almost always understood relative to contextual parameters. Different “backgrounds” yield different truth-values. To illustrate this, consider the following case: Suppose a thief is fleeing the cops. If he turns to the left, he enters a warren of alleys where he is sure to escape. If he turns to the right, he will run right into his pursuers, be captured, serve his time, be rehabilitated, and become a better and happier person. Which way ought he to turn? It would seem that there are reasons to give both answers. Relative to his actual goals, he ought to turn left. Relative to his real interests, though, being removed from a life of crime will be better for him. A third understanding of “ought” would note that, in stressful pursuit situations, he tends to go left, so that would be the reasonable prediction about what he ought to do in this situation. So, what ought he to do?
There are two kinds of relativity in conditional “ought” sentences: The first, which we can call “kinds of considerations,” is sometimes expressed by an adverb-phrase, such as “morally” or “prudentially” and is sometimes contextual, such as “relative to the aims of chess.” Illustrations of this kind of relativity are especially clear with narrow sets of considerations. For instance, there is a general principle of the “logical” “ought” that one ought to believe the logical consequences of what one believes. There are obvious counter-examples. If Fred believes that Susan is honest and that Susanhas been embezzling his funds, he should not conclude the conjunction and conclude that honest women sometimes embezzle, but rather ought to give up oneof his premises. This kind of relativization, relativity to considerations, would allow that the principle is true relative to logical considerations only, but may be false relative to broader considerations. Another example is a player in a chess game who can force mate in three with a bishop sacrifice at f7, while every other move loses. Relative to chess considerations, the player ought to move bishop f7 check. But her opponent is the dictator, who takes defeat very badly. So, prudentially, bearing in mind her own personal welfare, she should not go bishop to f7check.” Of course, relative to considerations of honor and standing up for her people against the dictator,
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perhaps she should bring about mate in three and bravely face the consequences.
This relativity to considerations distinguishes what people have called the various “senses” of “ought.” An utterer in a context can intend one or another set of considerations, and different sets of considerations would yield different truth-values for the “ought”-sentence. “Ought” is relative to conversational context in much the way other modalities are.
In this kind of relativity, the apparent “absolute” “ought” is “all of these things considered.” It is still a conditional “ought” with the effective “antecedent” restricted to the special subset of the considerations that wouldbe relevant to a genuinely general “all things considered.”
The other kind of relativity is to the content of the “antecedent” of a conditional “ought.” So, “If you turn the key sharply, it ought to start” and “If Fred wants to please Susan, he should ask about her daughter” both specifybeginning points of chains of probability-sentences. The truth-conditions of such claims is of course determined by the information available in the situation. So, “If Fred wants to please Susan, he should ask about her daughter” recommends one way of pleasing Susan. Part of the background information that may make it true is that Fred, while he could give Susan his Lamborghini, and this would also please Susan, perhaps even more than asking about her daughter, would find the rewards not worth the cost. So, generally, when a conditional “ought” sentence has an antecedent, it is still a question whether the considerations that should be in the “antecedent” are a restrictedsubset or absolutely everything.
If “ought”-sentences are essentially like “if…then…probably” sentences, then their “categorical” form is implicitly relativized. That is, since “If…then…ought” sentences are not some conditional applied to a categorical “ought”-sentence, then, since a predicate has a given number of places, and the categorical and conditional “ought”s are not homonyms, the categorical “ought” must be actually the two-place conditional “ought.” So, “It will probably rain,” and “We ought not to lie” are both represented more accuratelyas having a implicit “all things considered” or “given all available information” “antecedent.”
The basic idea of the theory analyzing “ought” as a chain of conditionalprobabilities is that complex practical inferences can be broken down into a series of simple steps each of which an agent would probably get right. In an “ought”-sentence with a desire in the antecedent, the chain will typically be a series of probabilistic connections between truths about how the object of desire241 can be achieved and beliefs in those truths. The connection between truth and belief is probabilistic, as is the connection between desire for A, the belief that if C then B, the belief that if B then A, and a desire to 241 Since “desire” sentences are themselves conditionals, a thorough account of the form of “ought” sentences with a desire in the antecedent would be more complicated.
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bring about C. Aristotle’s (1980, 1981a) picture, where a syllogism used practically transmits desire from conclusion to premises and used theoretically transmits belief from premises to conclusion, is basically right. The difference is that Davidson treats ethical thinking on the model ofmodes of non-deductive inference,242 so the inferences are not usually formallyvalid, but at best inductively strong. So there is no algorithm for the “calculation.” Each of the smaller steps is one that a person would probably make, just in virtue of being a rational agent.
Of course there are other conditional probability chains that derive from putting still other information about the agent besides desires into the first argument of the “ought” sentence. Other chains yield what a person oughtto do given evil wants, idiosyncratic wants, peculiar dispositions to react tokinds of situations, or flaws in competence. Knowing that Fred gets very nervous about exams, we can say, minutes before the exam, “Fred ought to be nearly catatonic about now,” even though that is not in Fred’s interests. In brief, there are a large variety of “ought”-sentences that will be true of a person in a situation.
On this account, the interpretation of an action will, other things being equal, maximize the rationality of the person being interpreted. Sometimes, contrary to what Davidson argued against Hempel, a person’s rationality can be part of the explanation of an action. While a person must be a rational agent of some degree of rationality in order to act or be interpreted at all, clearly some people are more skilled at various aspects ofrationality—people who are especially susceptible to being moved by arguments,or especially able to work through complex sets of considerations. That everyone is rational in the sense that they qualify as an agent does not mean that exceptional rationality cannot be appealed to as part of the explanation of an action.
In the same way, if a person acts reasonably in a situation where most would be moved by non-rational considerations, the person’s rationality may bea partial explanation of the action—why did she not panic? Michael Smith’s (2009) critique of Davidson’s remarks about the place of rationality in explaining action can be accepted by Davidsonians, since they leave the basic Davidsonian conception, that rationality is constitutive of agency, intact. The theory I am presenting of what a person ought to do in fact takes the rationality of an agent who does what she ought to be far beyond the rationality that would be required for a person to be an agent at all.
242 “Inductive logic” is the measure of the degree of support that a setof sentences A gives to a conclusion B. Hempel (1965, pages 5-6) showed that there cannot be an algorithm for inductive logic. Hempel’sdemonstration uses the fact that theory-formation can require new concepts.
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c) Why a good hammer is one you ought to want if you want a hammerAt the end of Chapter 9, I said that a justification in terms of the
theory of “ought” would be given for the account of the truth-conditions of “good F” that “A is a good F” amounts to “If you want an F, you ought to want this.” Interpretation maximizes agreement in beliefs and desires. The evidencefor an interpretation of a predicate H as “framing hammer” will then be that the predicate has a similar place in the other’s network of beliefs and desires that “hammer” does in ours. So, given that “H” is correctly interpreted as “framing hammer,” for any feature desired by people in our culture in a framing hammer will be a feature probably desired by people in the foreign culture for objects of which “H” is true. These probabilities then give the basis for an “ought.” At least as important as physical shape will be typical uses, that is typical sekings of thing of which the term is true in order to satisfy various desires. So, for instance, the foreign term for hammer-shaped objects that are primarily carried in spring fertility ceremonies is probably not best interpreted as “hammer.”
On this account, the person understanding “good framing hammer” need have no idea what physical properties are desirable in a framing hammer in order to understand the expression. The resulting theory of the truth-conditions of “good” is then not very new or surprising—it is just a version of the “functional role” account of “good F” popular since Aristotle. The virtue of the present theory is that this truism about “good” falls out of thetheory of interpretation and the theory of “ought.”d) The Ethical “Ought”
What about the “ought”s that are at the center of philosophical interest, the “ought”s about what person ethically should do, just in virtue of being a person in a given situation? The present theory would treat this “ought” as an “ought” that abstracts from all idiosyncratic desires. As we will note below, it also abstracts from all partiality. That is, just relative to being a rational agent in the given situation, what “ought” sentences wouldbe true? An agent who always believed what it is rational to believe, from ourpoint of view, and who always desired the good, from our point of view, would be an agent who did what she ought, from our point of view. The important feature of the chain of conditional probabilities for the agent who does what she objectively ought is that they are all relative just to being an agent. Anyrational agent, insofar as she is a rational agent, ought to do the same thing, in her situation.
The ethical “ought” abstracts from more complex first arguments, such asbeing an agent who wants a Big Mac, or who reasons defectively in certain circumstances, or who is Italian or who wants to go to medical school. Relative to these features and desires, different actions would make sense. Relative just to being an agent at all, though, the chain is constructed from desires and beliefs everyone probably has, just in virtue of being an agent. So, ethical reasoning arrives at “ought”-sentences by constructing what a
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person would do if that person always believed, desired and did what, on principles of reasonable interpretation, any person would probably believe, desire and do at every step of the decision-process. The “ought” thus constructed is an impartial, all-things-considered “ought.” It might, in retrospect, differ from what the optimal thing to do would have been, since itis based on what it is rational to do given the information available and worth getting.243
A kind of universalist ethical “ought” is thus constructible from the Davidsonian account of “ought.” A person who counts everyone’s interests as equally weighty, that is, is partial to no one, ought to act in a way that at least comes close to ideal ethical action. There are two questions to raise about this conception of what a person really ought to do: First, what is the relation between this conception and the dictates of “morality” as a system ofprinciples of obligation? We argued above that what we ought to do will not ingeneral correspond to outputs of systems of obligations. However, we would expect or at least hope that much of the time a person ethically ought to do what she is obligated to do. The next section will discuss that relationship, according to the present theory. The second question is whether a person ought, all things considered, to do what she ethically ought to do, as constructed above. That is, while we can construct an “ought” that abstracts from natural partialities to oneself, one’s family, tribe, fellow citizen, or whatever, it is not obvious that a person ever or usually ought to so abstract. Whether this is the case will, as I will argue, depend on three things: First can the rationality of taking other’s interests seriously be justified? Second, can desires be more or less accurate? Third, how much partiality, if any, is rational? Differential care about one’s own children versus someone else’s, seems to everyone, except perhaps Kant, to be somethingethically justified. The third problem seems to me the most intractable. I have no idea.e) The Ethical “Ought,” Moral Obligation, and what we ought to desire
From a Davidsonian perspective, many systems of rights and obligations have a great deal of bearing on what one ought to do. Other things being equal, one should do what one is genuinely obligated to do. On the other hand,there are systems of obligations and duties that have little relationship to what one ought to do ethically, such as the system of duties and obligations that obtain between slaves and their masters. These duties and obligations areones that an individual often has prudential reasons to obey, but they are notones that have moral standing. That is, if it were not for the special power relations obtaining when one is a slave, one should not subordinate one’s willto this other person.
243 For different kinds of decisions, there are different criteria for things you should find out before deciding, as well as different things you should have known.
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The principles of moral obligations and rights that Kantians such as Scanlon, Korsgaard and others have constructed are, from a Davidsonian perspective, principles that would be good guidelines to what one ought to do.The arguments that one’s duties to others have a rational basis are very persuasive. Generally speaking, that is, acting in accordance with rules of obligation and rights would correspond to doing what one ought to do, all things considered, if it could be shown that these promises and commitments were ones that in fact should be respected.
The possibility of an argument for the claim that the principles of moral systems of obligation and the impartial, ethical “ought” constructed above actually have a bearing on what a person should do, all things considered, seems to me to rest on two arguments:
The first argument would show that it is irrational to take one’s desires as reasons for action and not take other peoples’ desires as equally reasons. Kant’s (1785) project was at least in part this project. Somewhat more recently, Thomas Nagel’s (1970) tried to show this by showing that being motivated by interests of one’s future self requires being motivated by interests as such.
Second, since the results of the first argument would at best produce lines of reasoning a person could respond to by changing beliefs and desires, a further argument is needed to show that the reasoned desires required in order to be even somewhat impartial in taking other people seriously are ones a person ought to have. Briefly, a Davidsonian needs to find an account of the“desire” component of reasoning to action that meets Scanlon’s (1998) conception of desires as reason-sensitive attitudes.
McDaniel and Bradley (2008) have shown that the very semantics of desiremakes desire a “reason-sensitive” attitude. Apparent “categorical” desires are, by their very form, relative to considerations, in this case, all considerations. I have always thought that Kant’s and Nagel’s arguments did infact yield the desired conclusion, that it is irrational not to take other peoples’ interests into account. It seems to me clear also, that Davidson’s conception of desire fits perfectly with Scanlon’s (1998, chapter 1) conception of desires as attitudes for which reasons can be given.
There are two ways in which reasons can be given for desires. First, in conditional desires, the connection between the condition and the desire is subject to rational evaluation. If Fred wants to bring an umbrella if rain is predicted, that makes sense. The opposing view, of course, is that desires, unlike beliefs, do not correspond to anything objective. People differ in preferences about which there is nothing like “true” or “false.” There just isno contrast between desire and anything else that is analogous to the contrastbetween “I believe that A” and “A is true.” Unlike differences in belief, differences in desires are said to reflect nothing but internal differences inpersons. The claim is that there is nothing like triangulation for desires andno common value-world to which both an interpreter and the interpretee are
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related when an individual expresses a preference. So the interpretation of actions lacks one of the groundings in a common world that interpretation of belief has. This claim is just mistaken, since desires are constrained in interpretation just as beliefs are.
A Davidsonian treats ethics as objective, and holds that ethical sentences usually have truth-values. Differences in preferences are differences in beliefs about what is good. In-principle irresolvability are beascribed to indeterminability of interpretation, according to a Davidsonian, and is no different from indeterminability about which beliefs to ascribe to another.
Truth-values of ascriptions of “good,” that is, desires or pro-attitudesin general, are no less objective than truth-values of sentences about houses and stones. A rational person is aware that her judgments may be idiosyncraticand should be checked for correctness by seeing what others believe. Just as we do not in general identify our beliefs with the truth, so we should not identify our desires with the good “for us.” There is no more a coherent notion of “good for me” as an explication of “good” there is a coherent notionof “true for me” as an explication of “true.” Given our past experience, we know that some of our beliefs are likely to be mistaken and that some of our desires are ill-considered. We realize that we are less than perfectly reasonable, even though we hold, of each particular view, calculation, and valuation, that it is reasonable. If interpretation maximizes desire for the good, and sentences using “good” have truth-values,
The decision-theoretic tradition has taken preferences to be just brute facts about which nothing is rationally required but coherence, whereas beliefs are true or false, and so objective. But in interpretation, we in facttake some preferences to be irrational, such as the simple preference for painover lack of pain. Some preferences can only be assigned to an agent on the basis of very strong evidence. “Pain is worse than no pain, other things beingequal,” is true. So, prima facie, some “better than” sentences are objectivelytrue.
The conception of preferences suggested by Davidson’s remarks that we maximize agreement about the Good as well as about the True is that a preference for A rather than B is, or always corresponds to, a belief that A is (actually, objectively) better than B. If utterances about the Good have truth-values, as Davidson argues in the essays in his (2004), then preferencesare opinions about those truth-values.
To every preference there corresponds a belief that A is better than B. Pleasures and pains, as well as other “perceptions” of good and bad derived from a person’s particular history, are then akin to the causes that give riseto perception-reports. If that is true, “good for me” is akin to “true for me,” that is, another way of talking about beliefs. On this conception, physical pain and pleasure would, in motivating action, be causes of judgmentsthat “This is bad” and “This is good.” Such judgments are incorporated into
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the web of belief and desire. Sometimes the desires and aversions associated with pains and pleasures are over-ridden by other considerations, just as illusory perceptions are. So, we desire to get our separated shoulder replacedin its socket by a rather painful procedure.244
No sensible person should rely just on his own “sensory” judgments aboutthe Good and the Bad, just as no sensible person would investigate scientific questions by using only his own perceptions and measurements. It would be unreasonable to reach opinions about what is better than what using only one’sown experientially-delivered preferences. Just as one learns the difference between one’s beliefs and the truth through social interaction in triangulation, so one learns the difference between one’s preferences and the truths about what is better than what through the social triangulation of “moral education,” which starts with Mommy saying “No, no,” and continues through the rest of the socialization of a person.
While some of this triangulation may be mistaken, just as some instruction about what cows are (“they moo”) is, most of it must be right. To the extent that there is indeterminability in the interpretation of other persons, we should expect an indeterminability in ethics that is compatible with objectivity.
The “ethical’ point of view is one that takes individual, personal
preferences as not decisive, but as data. If we could establish that
everyone’s desires reasonably ought to count and are comparable,245 then we
would have an ethical theory that treated ethics as objective, even though
there were unresolvable ethical questions. The unresolvability would be a
consequence of the indeterminability of interpretation, not the result of
subjectivity. The next section will argue that we have every reason to count
the desires of others in deciding what we ought to do.
d) “Better for me than” and “Better than”
244 As in many other cases, this Davidsonian view is essentially Aristotle’s. Pleasure is the “appearance” of the good—generally reliable, but not always. The intellect can overcome sense experience.245 The problem will be the interpersonal comparison of utilities. Thereare some clear cases. A child’s desire not to drown outweighs my desire to continue fishing, for instance. Given that there are some clear cases, the general thesis that desires can be weighed across persons is plausible, even if there is no routine for determining which of two desires counts more objectively. See Davidson’s (2004a).
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What is the relation between what is objectively better and the
preferences of particular agents? I argue that the relation is analogous to
the relation between the truths and the beliefs of agents. While the beliefs
have to be largely true, very many of them are localized, so truth is not
reducible to consensus or to any simple collection of local beliefs. That is,
indexical beliefs about what is true here, now, and for me are largely true,
but the relation between those truths and non-indexical ones may not be
summation.
A Davidsonian can say the same thing about preferences. They are locally
true, by and large, but the relation between local truths and non-local ones
is not simple. My preferences, i.e. my beliefs that A is better than B, often
overemphasize immediate indexical judgments, akin to perception reports. How I
immediately feel about things figure very large in my judgments of value. That
is, indexical value judgments shape preferences to a very large degree. I
prefer what is good for me to what is not good for me.
What is the relation between A is better than B” and “A is better for me
than B”? My Davidsonian “rational” foundation for ethical reasoning, as
opposed to prudential reasoning, argues that “better than” is to “better for
me than” as “true” is to “true for me,” where “true for me” means something
like “true given my evidence” or “true in my location.”
How can indexical preferences distort value judgments, if those indexical judgments are true? Preferences are beliefs about what is good and not good that are largely true. But it can be good that A without it being good that A and B. When that A is good is an indexical belief, that is, from aparticular agent’s perspective, that strongly inclines the agent to believe that A and B is good. That people tend to favor themselves amounts to people giving unreasonable weight to their own judgments of good and bad. That is, value judgments tend to value complex states of affairs by giving undue weightto “indexical” value judgments.
Some would argue that this is not irrational, but that preferences are essentially indexical and so do not express objective values. If there is a difference between “That is good” and “I prefer that,” though, so that preferences really are judgments about value, then the predilection for moving
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from “I prefer A” to “A is good” is a natural shortcoming of people, just as our predilection to interpret “I’m cold” as “It’s cold” is.
On reflection, it is quite obvious that a normal agent’s concerns go farbeyond anything identifiable as particular states of the particular organism that is the agent. Usually the identification of one’s interests with the interests of others is limited to a subset of the others, and so is “partiality,” a discrimination. Ascribing such partialities is part of interpreting action and speech, and so part of the rationality that is part ofinterpretation. “Reasonable” attachments beyond “local” judgments are maximized in interpretation. But, if interests it is rational to ascribe extend beyond indexical value judgments to interests in things beyond the self, then reasonable valuation is not based just on what things are better for me.
Such interests are a deconstruction of the primacy and clarity of the subjective preferences that have bedeviled ethical theories since the beginning of philosophy. People routinely care about a lot more than their ownpleasures and pains, their indexical deliverances about what is better than what. We also rationally evaluate degrees of attachment. It may be irrational to sacrifice one’s coat to save a woman’s feet from the mud. Partialities can be evaluated as rational or irrational, and we do so routinely in interpretation.246 So interests in the welfare of others can be rational or irrational.
The maximal scope of concern is concern for the interests of every entity that has interests. If Nagel(1970) and Kant(1785) are right, this maximal scope of concern is rational. If we are motivated by partialities thatit is reasonable to have, then this one, “The Moral Point of View,” (Kurt Baier, 1965) is rational, and reasonably ought to motivate any agent with interests. That is, if Kant and Nagel are right that it is rational to be concerned with the good for every entity that has interests, then it is reasonable to be concerned with the interests of everyone, to have a conception of the Good that abstracts from one’s local valuations.247 246 A partiality can be excessive, as some allegiances to states and sports teams often are. The basis for such judgments is that there is no reason for the partiality. Partiality can be inadequate. A lack of favoritism towards one’s children, for example, calls for explanation by pointing out that the mother is den mother of the group of Cub Scouts of whom her child is a member. 247 A very large issue, to which I do not have a satisfactory answer, ishow to join the rationality of taking account of everyone with the rationality of taking special account of one’s spouse, parents, friends, children, and lovers. Taking special account of one’s relationships requires essentially indexical attitudes. But some partialities seem rational and reasonable. How does that fit with
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Thus we can conceive of preferences and therefore interests as perspectives on what is better than what, strongly influenced by indexical desires. The perspective of the particular interests of the agent, what is better “for her,” is reasonably conceived as a conception of “what is better.”So we can coherently take preferences to be beliefs about what is objectively better, and reasonably take “narrow” views on what is better, that is, selfishness and unreasonable partiality, to be due to failures of reason or mistaken beliefs. f) Conclusion
Given that “rationality” is in effect, a projection of what some interpreter takes to be rational, and given the substantial variation in people’s assessments of rationality besed on their own idiolects, we can expect ethics to have a core of agreement, but also a wide range of disagreement among agents whom we have to acknowledge are agents.
The ethics that would follow Davidsonian observations would be objective, in the sense that every ethical question has an objective answer, but this objective answer would in many cases be indeterminable. It would alsobe an ethics such that the most saintly person possible could do the wrong thing. No finite being can know everything there is to know about the current situation. It would also be an ethics which would agree with Aristotle (1980 1094b11-28) that we should not expect precision and answers to every question in such subject-matters.
This chapter has not claimed to dissolve philosophical questions in ethics. There are many genuine issues. Davidson’s insights into semantics and the theory of interpretation provide a better foundation for thinking about ethical questions. Ethical questions can be addressed with the hope of making progress once ethicists grasp that “good” could not be the name of a property,that “ought” and “obligation” have very distinct logics, and that the questionwhether desires are constrained by rationality is “yes.” The first two questions are answered by an adequate semantics. The third question is answered by an adequate understanding of interpretation. So, we can proceed.
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