Contextualism about Deontic Conditionals
Transcript of Contextualism about Deontic Conditionals
Contextualism about Deontic ConditionalsAaron BronfmanJ.L. Dowell
Draft at 3/2/15
If you are a semanticist, how best to understand the formal
semantics of modal expressions is an issue that wears its
interest on its sleeve. The issue, however, is of broader
interest and importance to those concerned with other debates.
One main task of metaethics, for example, is to understand
ordinary moral and, more broadly, normative and evaluative
discourse. Identifying the best semantics and pragmatics of
deontic modal expressions in particular would make an important
contribution to metaethicists’ understanding of such discourse.
Recently, some philosophers of language and linguists have
wondered whether there are any expressions that require a
relativist’s distinctive treatment. Contextualists about some
expression E hold that the contribution E makes to the
determination of the truth-conditions of utterances containing E
varies from context of use to context of use. Relativists about
E, in contrast, hold that it makes an invariant contribution to
the determination of truth-conditions on any occasion of use.
Unlike standard semantic invariantists, however, relativists hold
that the circumstances of evaluation that determine the truth of
utterances containing E are more fine-grained than the standardly
assumed possible worlds. What in addition is needed to determine
a truth-value, for the relativist, depends upon what E is. In
the case of deontic modals, some relativists argue that that
addition is a body of information: Deontic modal sentences are
true or false at world, information pairs.1
Assessing the prospects for relativism about deontic modals
is crucial to answering the larger question of whether relativism
is a viable research program. Central among the cases that are
thought to motivate relativism are cases involving deontic modals
whose truth requires that they are sensitive to a body of
information in some way.2 Parfit’s miners scenario is such a
case. A significant point of contention is whether a
contextualist can account for our judgments about deontic modals
in that case. A challenge for the contextualist, then, is to
1 MacFarlane (2014).2 Kolodny and MacFarlane (2010).
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identify a contextualist account of modal expressions that fits
with those judgments and is independently plausible.3
Here our goal is to help identify the contextualist’s most
worthy competitor to relativism. Recently, some philosophers of
language and linguists have argued that, while there are
contextualist-friendly semantic theories of deontic modals that
fit with the relativist’s challenge data, the best such theories
are not Lewis-Kratzer-style semantic theories.4 If correct, this
would be important: It would show that the theory that has for
many years enjoyed the status of the default view of modals in
English and other languages is in need of revision.
3 Some have argued that the best data for relativism aboutdeontic and epistemic modals is given not by data at issue here,but by data involving disagreement. For replies to thecontention that the contextualist cannot accommodate thedisagreement data, see Dowell (2011, 2013).4 To be clear, we are not suggesting that a Lewis-Kratzer-styleformal semantics for modals can only be given a contextualistconstrual. For all we say here, there is a relativistinterpretation of that semantics that does as well as thecontextualist one we shall defend. Here we aim to assess theclaim some contextualists have defended that a Lewis-Kratzer-style semantics under a contextualist interpretation cannot fitwith the data we discuss here. (For discussion of one way toimplement relativism in a Kratzer-style framework, see Egan(2011).)
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Here we defend the default view by showing how a Kratzer-
style semantics is able to make available readings of the
relevant utterances that fit with the pretheoretical judgments
opponents purport it cannot fully capture. Having established
this, we turn to considering the more theoretical grounds
proponents have offered for preferring their rival contextualist
views. Here the question is to what extent such grounds favor
semantic over what Korta and Perry call “near-side pragmatic”5
explanations of our judgments. In particular, we argue that our
favored readings figure in near-side pragmatic explanations of
those judgments that possess the methodological and theoretical
advantages of systematicity and unity at least as well as, if not
to a greater extent than, those of opponents who argue for their
5 “Pragmatics deals with utterances, by which we will mean specificevents, the intentional acts of speakers at times and places,typically involving language. Logic and semantics traditionallydeal with properties of types of expressions, and not withproperties that differ from token to token, or use to use… Theutterances philosophers usually take as paradigmatic areassertive uses of declarative sentences, where the speaker sayssomething. Near-side pragmatics is concerned with the nature ofcertain facts that are relevant to determining what is said. Far-side pragmatics is focused on what happens beyond saying: what speechacts are performed in or by saying what is said, or whatimplicatures…are generated by saying what is said.” (Korta andPerry, 2012: 2-3)
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revised semantic theories on the basis of these advantages.6 In
this way, our discussion is a case study contribution to the
larger debate among philosophers of language and linguists over
when to prefer semantic over such pragmatic explanations.7
Below, we first explain the basic features of Kratzer’s
semantics for modal expressions, including conditionals. Then we
consider and meet the challenge cases in turn. Finally, we show
how our readings are able to meet any remaining objections and
pose a few of our own to the rival theories thought to be
motivated by these challenges to Kratzer’s canonical view.
1. Kratzer-Style Contextualism
6 Along with Dowell (2011, 2012, 2013) and Bronfman and Dowell(forthcoming), this discussion thus contributes to the largerproject of defending a Kratzer-style, flexible contextualistsemantics for modal expressions, supplemented with a near-sidepragmatic account of how it is that contexts provide theparameter values needed to secure appropriate readings.7 For another such case study, see von Fintel (2001) and Gillies(2007) who each argue for a dynamic semantic theory ofcounterfactuals on the grounds that the standard, Lewis-Stalnakersemantics is unable to explain our judgments about the felicityof Sobel and reverse Sobel sequences. See also Moss (2012), whodefends the standard semantics by providing a near-side pragmaticexplanation of our judgments in such cases.
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On Angelika Kratzer’s canonical semantics, modal expressions
are semantically neutral; they make a single contribution to the
determination of a proposition on every occasion of use. What
modulates the type of modality expressed—teleological, bouletic,
deontic, epistemic, or alethic—is the context of use.8 The
plausibility of the resulting view lies in part in its ability to
provide simple and unified explanations of a wide range of
language use. Together with broad cross-linguistic support, the
simplicity of Kratzer’s semantics earns its status as the default
view.9
Central to a Kratzer-style semantics is its treatment of
modal expressions as quantifiers over possibilities. Typically,
those domains of quantification are restricted. Restrictions not
represented explicitly in the linguistic material are provided as
a function of the context of utterance. The contextual
supplementation is twofold. First, context determines a modal
base, f, a function from a world of evaluation, w, to a set of
worlds, f(w), the modal background.
8 Kratzer (1977) and (1981).9 Some parts of our exposition draw on Bronfman and Dowell(forthcoming).
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Modal bases may be either epistemic or circumstantial. An
epistemic modal base is a function f that takes a world of
evaluation w and returns the set of worlds consistent with the
body of information in w that has some property or properties.
Which properties are relevant is determined by which f is
contextually selected; for example, that function may take the
information that has the property of being the speaker’s at a
designated time t in w as an argument and give us the set of
worlds compatible with that information. In principle, context
might select any number of different fs.
A circumstantial modal base is a value for f that takes a
world of evaluation as an argument and delivers a set of worlds
circumstantially alike in particular respects. Here, too, what
makes a circumstance among the relevant ones at a world of
evaluation will depend upon which f is contextually selected; for
example, a particular value for f may make circumstances that
determine causal relations between actions and outcomes at the
world of evaluation relevant. The modal background in that case
would be the set of worlds alike with respect to those
circumstances.
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A second source of contextual supplementation is an ordering
source, a function g from a world of evaluation w to a ranking
of worlds in the modal background. Which features of a world w′
in f(w) give it its relative ranking depends upon the value for
g. For example, g might rank w′ depending upon how well some
salient agent acts in accordance with the reasons she has or the
obligations that apply to her in w. Or it might rank w′ in terms
of how well it approximates some impartial ideal. The highest
ranked or best such worlds make up the modal’s domain. ‘Ought’,
the modal of concern here, functions as a universal quantifier
over its domain: ‘ought ’ comes out true at a context-world
pair just in case all of the best worlds as determined by that
context and world are -worlds.10
Since part of what is at issue in the puzzle cases here is
the plausibility of a full Kratzer-style account of deontic
conditionals, we’ll need her account of the indicative
10 Here we simplify aspects of Kratzer (1991a) and (2012) to avoidintroducing complexities of that account not at issue here. Inparticular, we adopt the Limit Assumption, and we ignore theissue of how best the mark the apparent distinction between“must” and “ought”. Cariani, Kaufmann, and Kaufmann (2013) andCarr (2014) also adopt these simplifications in expositing theirown views.
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conditional on the table. On her semantics for that conditional,
the function of the antecedent is to restrict the domain of a
modal in the consequent.11 This is, at least typically, a covert
necessity modal. So, a conditional of the form ‘if , then ’
where ‘’ does not itself contain a modal, has the structure if
, must . To see whether such a conditional is true, we see
whether every (relevant) -world is also a -world. If so, then
the conditional is true. Here we follow Kratzer in assuming that
the covert modal is an epistemic necessity modal: The relevant
-worlds are the -worlds that are compatible with some
contextually determined body of information.12
There are a few options for combining this account of the
indicative conditional with her semantics for modal expressions
generally. For all the deontic conditionals we discuss, we’ll
adopt the view that a covert epistemic necessity modal takes
scope over the deontic modal.13 There are a couple of different11 In some cases not at issue here, the antecedent may restrict aquantifier elsewhere in the sentence, as in “Always, if a manbuys a horse, he pays cash for it” (Kratzer (1991b)).12 Kratzer (1991b).13 For discussion of this type of view and some reasons foradopting it, see, for example, Carr (2014), von Fintel (2011),von Fintel and Iatridou (ms), Frank (1996), Geurts (ms), andKratzer (2012).
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readings14 of the whole conditional, if , must[ought ] that may
result, depending upon the context. In all cases, we assume the
antecedent retains its usual semantic function of restricting the
domain of the covert modal. A bit more formally, treating w as
the world of evaluation, the covert modal’s domain will be
worlds, w′, each of which is a -world. To be true, the
conditional then requires that the deontic modal is true at each
of the worlds w′. To determine this, the deontic modal requires
values for f(w′) and g(w′). These, we’ll argue, are determined
flexibly as a function of the context of utterance. Together
they’ll determine a set of worlds w′′ that make up the deontic
modal’s domain.
2. Miner Variations
The MINERS Objection
The famous miners scenario is one case thought to pose a
challenge for a Kratzer-style framework. Here is Niko Kolodny
and John MacFarlane’s characterization (MINERS):
14 By a ‘reading’, we simply mean a way a listener mightreasonably interpret what’s said by an utterance.
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Ten miners are trapped either in shaft A or in shaft B,but we do not know which. Flood waters threaten toflood the shafts. We have enough sandbags to block oneshaft, but not both. If we block one shaft, all thewater will go into the other shaft, killing any minersinside it. If we block neither shaft, both shafts willfill halfway with water, and just one miner, the lowestin the shaft, will be killed. (2010: 115)
In a recent paper, Fabrizio Cariani, Magdalena Kaufmann, and
Stefan Kaufmann argue that there is no way for a Kratzer-style
semantics to fit with all of our pretheoretical judgments about
MINERS.15 Among these judgments are the following truth-
assessments:
NEITHER: We (they) ought to block neither shaft.
True.
IF-A: If the miners are in A, we (they) ought to block
A. True.
IF-B: If the miners are in B, we (they) ought to block
B. True.
Not only must a theory fit with these truth-assessments, they
suggest, it must render them all “true on the deliberative
reading of ‘ought’” (2013: 231, footnote 14). Hence, they argue
that any Kratzer-friendly readings either fail to accommodate all15 See also Charlow (2013).
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three truth-assessments or else do not all qualify as
deliberative readings.
In order to evaluate the Cariani, Kaufmann, and Kaufmann
claim that a Kratzer-style semantics cannot fit with our truth-
assessments of these sentences under a ‘deliberative reading’,
we’ll need an understanding of what it takes for a use of “ought”
to get a ‘deliberative reading’ in their sense. They offer a few
suggestions. One is by contrast with an “objective” reading,
which seems to be relative to circumstances, known and unknown
(2013: 227). Another suggestion: “Deliberative modality” is “the
particular flavor of modality in play in practical deliberations”
(2013: 226). Finally, it is the kind “exhibited by”
ARTICLE: We ought to read that article.
ARTICLE, they suggest, is “easily understood as suggesting that
reading that article is the thing to do” (2013: 225).
One difficulty for seeing what exactly they have in mind is
that the last two suggestions for how to understand “deliberative
modality” or “deliberative reading” do not contrast with an
objective reading in MINERS as their first suggestion holds. To
see this, notice that when NEITHER, IF-A, and IF-B figure in
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someone’s reasoning about what to do in MINERS, they will each
exhibit deliberative modality in the second sense. This is
compatible with the conditionals receiving objective readings.
As we’ll argue below, it’s easy to identify readings on which
utterances of all three sentences are true with the conditionals
receiving objective readings. So, if to be deliberative is to
figure in practical reasoning, it will be easy to see how all
three can be true under a ‘deliberative reading’.
Moreover, insofar as conditionals can suggest that some
action is the ‘thing to do’, objective readings of the
conditionals may also be deliberative in their third sense, e.g.
in contexts in which agents make it clear that what they
objectively ought to do settles the question of what is the thing
to do. Since we believe that the contrast with objective
readings is what is most important for understanding the
objection to Kratzer that Cariani, Kaufmann, and Kaufmann seem to
have in mind, we will try to improve on their suggestions in a
way that preserves this.
Deliberative Readings: Subjective and Advisability
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As we’ll see, improving on their formulation is a bit
tricky. Mark Schroeder’s (2011) discussion of the deliberative
‘sense’ of “ought” offers an initial starting point. According
to Schroeder, such an “ought” exhibits five hallmarks: First, the
deliberative sense “matters directly for advice”. While the
objective ‘ought’ may figure in good deliberation about what to
do, the deliberative sense settles the question of what it is
advisable to do. Second, the deliberative sense is “the right
kind of thing to close deliberation”, to ‘settle the question of
what to do’. Third, one is “accountable” for doing as one ought
in this sense; failure to do so leaves one open to “legitimate
criticism”. Fourth, it’s the sense of “ought” constrained by
what one can do and, finally, it’s the sense “more closely
connected” to the notion of obligation, albeit imperfectly.
While we agree that these are features of “ought”s that
figure in practical reasoning, it will be important for later
discussion to note that there are cases in which there is no
single ought-claim that bears all five hallmarks. Instead, there
will be distinct ought-claims each of which possesses a
different, proper subset of these features. In these cases,
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acting so as to comply with one such claim is incompatible with
complying with the other.
Eavesdropper scenarios provide good illustrations. Here’s
an example from MacFarlane (forthcoming): Suppose you are
deciding whether you ought to bet on Blue Blazer or Exploder, two
horses in an upcoming race. You know that, in the past, Blue
Blazer has proven itself the faster horse. In light of this you
conclude,
BLAZER: I ought to bet on Blue Blazer.
Suppose, though, that, unbeknownst to you, I am eavesdropping on
your conversation from behind a bush. Unlike you, I know that
today Blue Blazer will be suffering from the effects of a drug.
MacFarlane holds that here “it makes sense for me to think that
you are wrong, and to say”,
EXPLODER: “No, you ought to bet on Exploder” (342).
Let this be a case in which you do not and could not learn
that Blue Blazer has been drugged prior to placing your bet and
so you go ahead and bet on that horse. Have you done as you
ought, in Schroeder’s deliberative sense? No doubt you are not
subject to legitimate criticism for betting as you do; in this
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sense, you have done as you ought. But you have not done what it
would be advisable for you to do. It is not advisable for you to
bet on a drugged horse. Here your utterance bears some of the
hallmarks of Schroeder’s ‘deliberative sense’ of “ought” and my
utterance bears others. MacFarlane has characterized these
“ought”s of advice as in-between a so-called ‘subjective’
“ought”, which is tied to information within a deliberating
agent’s epistemic reach, and an objective ‘ought’, which is not
information-sensitive. Such ‘in-between’ “ought”s are central to
his case for relativism. Below we show how all three readings
can be made available within a Kratzer-style framework. Seeing
how this is so will be important for seeing how a Kratzer-style
semantics can fit with the pretheoretical judgments of ordinary
speakers for the full range of MINERS cases.
Kratzer-Friendly Readings for Miner Variations
Since our view is contextualist, which reading a deontic
modal sentence receives will be determined as a function of the
context of utterance. This means that the best data for testing
theories will be speakers’ judgments about a series of variations
on the basic MINERS scenario, each of which fills out the
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conversational context in a slightly different way. As we’ll
see, which reading will be most natural for our sentences will
depend upon which version of the scenario is under consideration.
One important dimension along which MINERS scenarios may vary is
in whether deliberating agents expect to receive more information
about the location of the miners prior to the time at which they
need to act. Call “EXPECTATION-KNOW” some scenario in which
deliberating agents know they will learn the location of the
miners prior to that time. Call “EXPECTATION-MIGHT” some scenario
in which they know they might, but also might not, learn their
location (learning and not learning their location are equally
likely). Let “EXPECT-NOT” be a case in which agents know they
won’t learn more.
We consider the following judgments to constitute
theoretically neutral data: NEITHER sounds bad—indeed, clearly
false—in EXPECTATION-KNOW, sounds unwarranted in EXPECTATION-MIGHT,
and sounds fine—indeed, clearly true—in EXPECT-NOT. IF-A and IF-
B can each sound fine in any of these cases. We also accept the
Cariani, Kaufmann, and Kaufmann claim that NEITHER, IF-A, and IF-
B may all be true as uttered in the course of a single
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conversation among agents deliberating about what to do in
MINERS.
One of their central motivations for positing a more complex
semantics16 for deontic modals along with a novel semantic rule
for deontic conditionals is their claim that no Kratzer-style
semantics can fit with the full range of this data. Our next
task is to show that this is not so by showing how a Kratzer-
style semantics can secure readings that fit with these
judgments. We do this in several steps. First, we identify
readings and contexts that make NEITHER, IF-A, and IF-B all true.
Then we show how they can all be assertible in the course of a
single piece of deliberation. Recall that Cariani, Kaufmann, and
Kaufmann claim that part of the data is that they are all true
under a “deliberative reading” (footnote 14). As we saw, to test
this, we need to identify what it takes for a reading of a modal
to be “deliberative”. We now have a few overlapping, but
distinct senses of “deliberative reading”. Following one of
their suggestions, we have the view that a deliberative reading
is any reading of a modal sentence such that, under that reading,16 For the sense in which their semantics is more complex, seefootnote 33.
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it is properly assertible in the course of a single piece of
practical deliberation. We also, as suggested by Schroeder’s
hallmarks, have two more specific types of deliberative reading:
a subjective reading, which is tied to an agent’s available
information, and an advisability reading, which is connected to
what it is advisable for a deliberating agent to do (perhaps tied
to an advisor’s information). Here we show how the Kratzerian
can accommodate true readings under each of these senses of
“deliberative reading”.
We begin with NEITHER. Our reading for NEITHER will be the
same for all of our cases, but, for the sake of concreteness,
we’ll focus on the context in which it sounds best, EXPECT-NOT.
Here we think NEITHER receives what we’ll call a “subjective”
reading. Subjective readings are information-sensitive, where
the relevant information is, very roughly, the information a
relevant agent has at the time of action, t.17 Informally,
NEITHER would seem to express the proposition that blocking17 More generally, subjective readings can be sensitive to bodiesof information available at a world of evaluation by somedesignated time relevant for the ranking of the agent’s options.The information need not be limited to the information the agentactually has; it may also include information she could or shouldhave gathered, or information within her ‘epistemic reach’.
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neither is, of the actions available to the deliberating agents,
deontically ideal, in light of the information they have at the
time that action is necessary.18
More formally, context will select an f that maps a world of
evaluation w onto the set of worlds w′ like w with respect to the
laws and circumstances up until the time of action t, where we
assume that this will hold fixed the options agents have in w at
t. Various issues arise in characterizing an agent’s options.
We simply adopt one workable model with the following features.
(i) An option of an agent is represented as the proposition that
she performs some physical or mental action or intentional
inaction. (ii) For something to count as an agent’s option, the
agent must know that she is able to perform it and know how to
implement it.19 Thus, for example, “S selects the winning
18 Some might see NEITHER as making a claim, not about deonticideality, but rather about some particular conception of deonticideality, such as maximizing expected utility. While we do notrule this out as a possible reading, we find sentences such asNEITHER to be most naturally understood as making claims that canbe the objects of dispute between, for example, consequentialistsand non-consequentialists, and so we see them as invoking thethinner notion of deontic ideality.19 Or perhaps an agent’s options are fixed not by what she knowsbut, more broadly, by what she is in a position to know she isable to perform by t.
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lottery number” can fail to be one of S’s options, even though,
for each number, n, “S selects n,” may be one of S’s options.
(iii) Options are assumed to be as fine-grained as possible.
Thus “S walks” would not qualify as one of S’s options, but “S
walks straight ahead, slowly, while chewing gum…” could. Because
each option specifies the agent’s behavior so precisely that she
does not have any further flexibility in how to act, options are
mutually exclusive.20 For simplicity, we will treat blocking neither
as such a fine-grained option, although doing this is not
necessary to our account here. (iv) Options are assumed to take
place over some fixed time period, which may vary with context.
To simplify, we assume the relevant options (e.g. blocking neither)
can be performed instantaneously: perhaps one must now
irrevocably decide whether to block a shaft or none. This helps
to put aside complexities such as starting to block one shaft and
then switching to the other.
20 Here we may simplify by assuming options to be as fine-grainedas possible because any Kratzer-style semantics validatesInheritance, so settling which fine-grained options one oughtperform will settle which coarse-grained options one oughtperform. (The principle of Inheritance holds that if entails, then ought entails ought .)
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In the case of NEITHER, context will select a value for g
that maps w onto the set of worlds w′ in which agents perform
that action, , of their options, O, that is deontically ideal,
given the information our agents have at t in w.21 Since in
EXPECT-NOT that action is blocking
neither, NEITHER comes out true. Under this reading, NEITHER is
unwarranted as a conclusion of practical deliberation in
EXPECTATION-MIGHT and false in EXPECTATION-KNOW. This pattern fits
precisely with our pretheoretical judgments about these cases.
Having provided a plausible Kratzer-style reading for
NEITHER, we turn now to identifying plausible readings of IF-A
and IF-B, showing how they are assertible in the course of a
single piece of deliberation. So, what should the Kratzerian say
about IF-A and IF-B in our MINERS cases? The issue here is a bit
complex as these sentences have available objective, subjective,
and advisability readings in some of these cases.
Start with the objective readings in EXPECT-NOT. There are
a couple of ways of filling out the conversational context of
21 Recall that we’re trying to keep this reading simple andreader-friendly. For a more general formulation of subjectivereadings, see footnote 17.
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EXPECT-NOT to secure felicitous objective readings of these
conditionals in the course of a single piece of deliberation.
Imagine that agents have not yet arrived at the place in their
deliberations in which they realize they will not learn the
location of the miners by t. In that case, they may think that
what they objectively ought to do may settle their deliberative
question. IF-A and IF-B may then represent their thinking about
what might objectively be the case. Alternatively, IF-A and IF-B
on an objective reading might each articulate part of their
understanding of the case. They might, for example, play such a
role in a conversation such as the following:
Emma: Ok. Here’s the situation: The miners are alltrapped in either shaft A or shaft B. Only if we useall of our sandbags to block the shaft they’re in, willwe save all the miners.
Lila: I see. So, if they’re all in A, we should blockA and if they’re all in B, we should block B.
Emma: Right. Unfortunately, we’re not going to be ableto figure out where they are by the time we have todecide what to do.
This might be the beginning of a conversation that eventuates in
their deliberative conclusion, expressed by NEITHER.
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Finally, each conditional IF-A and IF-B may express a lament
about the tragedy of the situation, even after they have
concluded that blocking neither is what they should do. It would
figure naturally, for example, in a conversation such as this
one:
Emily: All things considered, we’re going to have toblock neither shaft. It’s such a tragedy that we don’tknow where the miners are!
Lily: What’s so bad about that?
Emily: Because, if they’re in A, we should block A.And if they’re in B, we should block B!
Representing our objective readings for IF-A and IF-B more
formally requires saying a bit about our treatment of deontic
conditionals. Recall that we treat such conditionals as doubly
modalized: Each contains a covert, epistemic modal scoped over
the overt, deontic modal. On our objective reading, then, the
antecedent of IF-A restricts the domain of a covert, epistemic
modal to the epistemically possible worlds w′ in which the miners
are in A. The modal background for the overt, deontic modal will
be the set of worlds alike with respect to the relevant
circumstances in w′, including that the miners are in A. The
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value for g(w′) will be the worlds in which agents perform that
action, of those available to them, which is deontically ideal in
light of the relevant circumstances in w′. These will all be
worlds in which agents block A. So, IF-A comes out true.
Similar considerations will make IF-B come out true.
We have been discussing EXPECT-NOT, in which the
conditionals may be felicitously uttered, though less practically
useful than in EXPECTATION-MIGHT and EXPECTATION-KNOW. Their
practical use, under objective readings, improves in those latter
two cases. This won’t make those readings deliberative in either
of the two senses we identified from Schroeder’s hallmarks, what
we’re calling the ‘subjective sense’ or the ‘sense of
advisability’. But it will suffice to make them deliberative in
the Cariani, Kaufmann, and Kaufmann sense we’re focusing on,
namely, the sense of playing a role in a single piece of
deliberation.
So far, we’ve focused on Kratzer-friendly objective readings
of IF-A and IF-B that can play a deliberative role. In addition,
there’s a second, information-sensitive, Kratzer-friendly reading
available, with which the features of EXPECT-NOT, EXPECTATION-
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KNOW, and EXPECTATION-MIGHT are also compatible. As we’ll see,
this reading may be thought of as an advisability reading, one that
is ‘in-between’ the subjective and objective readings.
Crucially, we think these cases do not mandate an advisability
reading, rather than an objective reading, of these conditionals;
indeed, for EXPECTATION-KNOW, subjective readings are also
available. Here we merely use these conditionals to illustrate
how advisability readings are available within a Kratzer-style
framework, as well as to show that these conditionals may receive
deliberative readings in one of the senses suggested by
Schroeder’s hallmarks. Below we will consider cases in which
subjective and objective readings are unavailable, as evidence
that sometimes modals naturally take advisability readings.22
On an advisability reading of IF-A and IF-B, in addition to
its usual semantic function of updating the value for f for the
covert modal, the antecedent serves to pragmatically indicate a
value for the deontic modal’s g parameter. In contrast to the
objective reading, here g(w′) will rank each world w′′ in the
deontic modal’s modal background in terms of the deontic22 Here and elsewhere, in offering these readings, we do not claimthat no other readings are possible.
26
ideality, in light of some body of information, of the action
agents perform in w′′. Which information is relevant? We suggest
it is a hypothetical body of information consisting of the
information deliberating agents have at t in w′ together with
information specifying where the miners are located in w′. Thus
if the miners are located in A at w′, the additional information
specifies that they are in A; if they are located in B at w′, the
additional information specifies that they are in B. Since the
semantic function of the antecedent of IF-A is to restrict the
domain of the covert modal to worlds in which the miners are in
A, and these are the worlds at which the overt deontic modal will
be evaluated, the information getting added to the agent’s
information for the purposes of ranking their options is the
information that the miners are in A.
Adding this information to the relevant body, we’re
suggesting, is a pragmatic function of the antecedent. Since the
objective reading is also available in our MINERS cases, we are
not suggesting that this reading is forced. Rather, the
conversational context permits the antecedent to play this
pragmatic role.
27
How exactly might it play this role? One idea is that
playing this role is suggested by the relevance of the
conditional for conversational purposes. In each of our MINERS
scenarios, agents are deliberating about what to do. Uttering
the conditionals is to help settle this practical question.
Agents do not know the location of the miners in any of these
scenarios. In EXPECTATION-KNOW, they know they will come to know
their location. In that case, what would be deontically ideal in
light of information agents are in a position to have by t
updated with information about where the miners are located is
highly relevant; indeed, it reflects the epistemic position they
expect to be in. This suffices to make uttering each of the
conditionals, on this reading, highly relevant. In EXPECTATION-
MIGHT, agents know they may or may not learn the miners’
location by t. In this case, too, IF-A and IF-B under the
advisability reading will be relevant to their practical
deliberation.
Having discussed NEITHER, IF-A, and IF-B, we now turn to two
additional sentences from Cariani, Kaufmann, and Kaufmann:
28
IF-STILL: If the miners are in A, we (they) still ought
to block neither.
EXISTS: We (they) ought to block the shaft the miners
are in.23
What are our pretheoretical judgments about utterances of these
sentences in our MINERS cases? Like NEITHER, IF-STILL sounds bad
in EXPECTATION-KNOW, not much better in EXPECTATION-MIGHT and best
in EXPECT-NOT. EXISTS sounds best in EXPECTATION-KNOW and can
sound fine in EXPECTATION-MIGHT. It may sound false in EXPECT-NOT,
unless conversational context makes it a clear lament (e.g. of
their inability to know how to save all ten miners). As with IF-
A and IF-B under objective readings, EXISTS may also serve as an
attempt to articulate a shared understanding of MINERS as a basis
for or in the course of deliberation. This pattern of judgments
is fully explained within a Kratzer-style framework with an
objective reading. In EXPECTATION-KNOW, EXISTS is also
felicitous under a subjective reading, where g(w) will rank
23 This is not quite the sentence Cariani, Kaufmann, and Kaufmannconsider. Theirs is “there is a shaft we ought to block” (EXISTS′). We prefer EXISTS on the grounds that, at least in the caseof EXPECTATION-KNOW, it has a clearer action-guiding use thanEXISTS′.
29
worlds w′ in the modal background in terms of the deontic
ideality, in light of the information agents will have at t in w,
of the action performed in w′.
What explains our judgments for IF-STILL? We’ve seen that,
like NEITHER, IF-STILL sounds best in EXPECT-NOT and that IF-A
and IF-B can also sound fine in that case. We suggested two
available readings for these latter conditionals in all our
MINERS cases: An objective reading and an advisability reading.24
On each of those readings, the antecedent has a role to play in
determining which action is best. If the antecedent plays such a
role for IF-STILL, though, it won’t come out true in EXPECT-NOT.
But it does seem true in that case. Why might the antecedent in
IF-STILL not play such a role in EXPECT-NOT, though it does for
each of IF-A and IF-B?
The answer rests on the role of “still”, which seems to flag
the irrelevance of the antecedent to the interpretation of the
deontic modal.25 We might imagine IF-STILL uttered in response24 The subjective reading of the conditionals is unwarranted inEXPECTATION-MIGHT and false in EXPECT-NOT.25 We seem to find “still” playing this role in other indicativeconditionals containing context-sensitive expressions, e.g.A: The Sharks might win. A: If he wants to playbasketball, he’s not tall.
30
to an utterance of IF-A. As we’ve seen, IF-A might be uttered in
EXPECT-NOT as part of the agents’ attempt to articulate a shared
understanding of the case. IF-STILL might then flag the
irrelevance of the location of the miners to arriving at their
practical conclusion, given that they won’t learn the miners’
location by t.26
Three-Shaft Version of MINERS
Thinking about how best to understand these deontic
conditionals within a Kratzer-style framework puts us in a
position to think about how best to understand a more difficult
B: But what if they lose their best player? B: No, even if hewants to play basketball, A: Even if they lose their best player, they he’s stilltall. still might win.26 Besides the use of the word “still,” there are other means bywhich conversational context can signal the irrelevance of theantecedent to determining which action is best. In such cases itis possible for conditionals not containing the word “still” tocarry the reading we offer for IF-STILL. For example, if inEXPECT-NOT, one conversational participant says, “We can’t decidewhat to do until we know where the miners are, since if theminers are in A, we should block A,” another may reply, “No, ifthe miners are in A, we should block neither shaft. And the sameholds if they are in B. We have no way of knowing where theminers are, so regardless of where they are, we should blockneither shaft.” In this case, the conditional “if the miners arein A, we should block neither shaft” is acceptable becausecontext makes it clear that the antecedent is not intended as anecessary condition for the assertion of the consequent.
31
type of case. Here’s a three-shaft version of the miners case
from Kai von Fintel:27
Imagine there are three shafts: A, B, and C. We don’tknow where the miners are. If we block the rightshaft, all miners are safe. If we do nothing, twominers die. We can blow up Shaft A, which would ofcourse kill all miners if they are in A, but if they’renot, then blowing up Shaft A and not blocking either Bor C will mean that only one miner dies. So, in ourmaximally ignorant information state, we ought to blocknone of the shafts. In an objective sense, we shouldblock the shaft the miners are in. Now, consider thefollowing conditional:
[MORE INFORMATION:] If they are not in A, we ought toblow A up.
Von Fintel reports that he can hear this as true. We agree that
there are ways of filling out the conversational context that
would make an utterance of MORE INFORMATION felicitous. A best-
case scenario will be one in which agents know they might learn
whether the miners are in A and know they’ll learn nothing else.
Call “EXPECTATION-WHETHER-IN-A-MIGHT” a version of such a case in
which agents believe they have a 50% chance of learning whether
the miners are in A before the time they need to act. The
felicity of utterances such as MORE INFORMATION can seem puzzling
within a Kratzer-style framework, as their felicity can’t be27 Von Fintel (ms).
32
explained by either a subjective or an objective reading. On the
subjective reading we’ve suggested, context selects a value for f
that takes a world of evaluation w′ to a set of worlds compatible
with facts about the agents’ options in w′ together with facts
about which information agents in w′ have at t. Suppose agents
don’t learn by t whether the miners are in A. In that case, the
conditional will be false: Blowing A up is not the deontically
ideal action in light of the body of information agents will have
at t as, in that case, that body will leave open the possibility
that the miners are in A and blowing up A will result in all of
their deaths. Suppose the miners are in B; in that case the
objective reading comes out false. So what would explain what
makes MORE INFORMATION sound true in EXPECTATION-WHETHER-IN-A-
MIGHT? We suggest that, unlike IF-A and IF-B in the MINERS
scenarios, here MORE INFORMATION most naturally receives an
advisability reading. On such a reading, recall, the antecedent,
in addition to its usual semantic role, pragmatically indicates
an update to the body of information relevant for ranking the
worlds in the deontic modal’s modal background. In MORE
INFORMATION, this update adds to the information agents have in
33
worlds w′ in the domain of the covert modal information about
whether the miners are in A. The antecedent guarantees that each
such w′ will be a world in which the miners are not in A. So the
worlds w′′ in the domain of the deontic modal will be ranked in
accordance with whether the agent performs, in w′′, the action, of
their options, which is deontically ideal in light of that
updated body of information. In all of the best such worlds, our
agents are blowing up A. So, MORE INFORMATION comes out true.
Von Fintel has offered an alternative explanation of how
MORE INFORMATION comes out true. He holds that MORE INFORMATION
is “shorthand” or “enthymematic” for the longer sentence:
“If we learn that they are not in A, we ought to blow A up.”
(28)
In EXPECTATION-WHETHER-IN-A-MIGHT, this sentence is
straightforwardly true on a subjective reading. In this case, if
the agents learn the miners are not in A, they will learn nothing
else. In particular, they will not learn more specific
information pinpointing the location of the miners in B or in C.
So if they learn the miners are not in A, it will be deontically
ideal given their information at t for them to blow A up. Thus
34
if von Fintel is right, there is no need to posit an advisability
reading to explain the truth of MORE INFORMATION.
There is, however, an additional piece of data that our
account is better placed to explain. Begin with the case
EXPECTATION-WHETHER-IN-A-MIGHT, in which the agents have a 50%
chance of learning nothing about the location of the miners, and
a 50% chance of learning whether or not the miners are in A.
Suppose the agents are aware that if, when the time of action
comes, they knowingly allow even one miner to die unnecessarily,
they will be put in jail. In this case, we hear the following
sentence as unwarranted:
If the miners are not in A, we’ll go to jail if we don’t
blow A up.
Intuitively, the agents are not warranted in asserting this
sentence since there is a 50% chance they will remain in their
state of complete ignorance about the location of the miners. If
so, they will not be put in jail for failing to blow A up.
Similarly, we hear the following sentence as unwarranted:
MORE INFORMATION JAIL: If the miners are not in A, thenwe ought to blow A up and we’ll go to jail if we don’t.
35
But the proposal that MORE INFORMATION is read enthymematically
would tend to predict that MORE INFORMATION JAIL should be heard
as warranted since it would be read as enthymematic for:
If we learn that the miners are not in A, then we oughtto blow A up and we’ll go to jail if we don’t.
In contrast, our account, on which MORE INFORMATION is not
enthymematic, does not issue such a prediction. This is some
evidence in favor of the advisability reading.
3. Self-Frustrating Decisions
Jennifer Carr has argued that Kratzer-style contextualism
cannot adequately account for cases of “self-frustrating”
decisions. These arise in unusual cases where performing an
action would indicate the existence of reasons against performing
that very action. Carr uses the case DEATH IN DAMASCUS, from
Gibbard and Harper (1978), as an example:
If you are in the same city as Death tomorrow, thenyou’ll die. Death has planned to be wherever hepredicts you’ll be, and he’s very reliable in suchpredictions. Your options are to stay in Damascus orto go to Aleppo. But, as you know, if you stay inDamascus, then that’s excellent evidence that Deathwill already be there. Similarly for going to Aleppo.(Carr forthcoming: 12)
36
This places you in an unfortunate situation: you expect with
high probability that, whichever decision you make, you will die.
Assume you have not made up your mind about where to go, and you
now regard either city as equally likely. Your options are then
symmetric: they offer equally bad prospects. Given this
symmetry, we will assume, with Carr, that both options are
permissible: you may go to either city. Because you may go to
Aleppo, we cannot say you should not go to Aleppo. Hence we
have:
ALEPPO: It’s not the case that you should not go to
Aleppo.
Consider now the conditional:
IF-ALEPPO: If you go to Aleppo, you should not go to
Aleppo.
The reasoning behind IF-ALEPPO goes roughly as follows: If you
will in fact go to Aleppo, then Death is very likely waiting for
you in Aleppo, and so you should not go to Aleppo. IF-ALEPPO
uses the antecedent to generate a new set of probabilities for
Death’s location, and then evaluates your options in light of
37
those new probabilities. We will assume, with Carr, that IF-
ALEPPO has a true reading along these lines.
We now consider how Kratzer-style contextualism can account
for the truth of ALEPPO and IF-ALEPPO. Just as for the miners
sentences, such a view will hold that ALEPPO says what it does
because context supplies appropriate values for the parameters f
and g. ALEPPO is most plausibly heard as a claim about how it is
rational or reasonable for the agent to act, given her
information. It is motivated by the thought that, given the
agent’s information, it is equally reasonable to go to either
city. It denies the claim that not going to Aleppo is the agent’s
uniquely most reasonable option. In other words, it denies the
claim that not going to Aleppo is deontically ideal in light of the
agent’s information.
We propose to capture the content of ALEPPO with similar
parameter values to those used for NEITHER. The modal background
is circumstantial: f(w) maps a world to the set of worlds in
which the laws and circumstances up through the time of action t
are the same as they are in w. In all these worlds, the agent
has the same options as she does at w: go to Aleppo and stay in
38
Damascus. The only feature that matters to how a world w′ in the
modal background is ranked is the option the agent chooses in w′.
In particular, g(w) ranks worlds w′ on the basis of whether the
option performed in w′ is deontically ideal in light of the
information that the agent has in w. If all options are
deontically ideal in light of the agent’s information at w, then
g(w) treats all worlds in f(w) as tied-for-best. Otherwise,
g(w) divides the worlds into two groups: it ranks as tied-for-
best all w′ where the option the agent selects in w′ is
deontically ideal in light of her information at w, and it ranks
all other worlds as tied-for-worst.
With these choices for f and g, ALEPPO plausibly comes out
true according to causal decision theory.28 Given that the case
and her information are symmetric, she judges her prospects if
she were to go to Aleppo as equivalent to her prospects if she
were to go to Damascus. So a proponent of causal decision theory
will hold that the worlds where the agent stays in Damascus and
28 For the sake of concreteness, we follow Carr in focusing on howa causal decision theorist might approach this case. Of course,the type of Kratzer-style semantics we’re defending is notcommitted the truth of causal decision theory as opposed to, forexample, evidential decision theory.
39
those where she goes to Aleppo are all deontically ideal. Hence
some of the highest g(w)-ranked worlds in f(w) are worlds where
she goes to Aleppo, and so it is not the case that she should not
go to Aleppo.
Just as for IF-A, IF-B, and MORE INFORMATION, we suggest an
advisability reading for IF-ALEPPO.29 Going through our account
step-by-step, we see IF-ALEPPO as doubly-modalized.30 The
antecedent you go to Aleppo restricts the higher, covert epistemic
modal, limiting us to what is true in all epistemically possible
worlds in which you go to Aleppo. In itself, this does not do
much to help IF-ALEPPO come out true. If context supplies the
same parameter values f and g to the deontic modal in IF-ALEPPO
as it does for ALEPPO, then this conditional will come out false,
29 Because the case stipulates only a high likelihood that Deathhas correctly predicted the agent’s location, an assertion of IF-ALEPPO would not be warranted on an objective reading. Asubjective reading holds more promise since we might read IF-ALEPPO along the following lines: if the agent will go to Aleppo,then she will know this at the time of decision, and given thisknowledge at that time she subjectively should not go to Aleppo.But we can put this aside by assuming the agent will make herdecision without advance notice of what she will decide.30 As Carr (2014) explains, the single-modal view would notpredict the truth of IF-ALEPPO, for reasons derived from the ‘Ifp, ought p’ problem (Frank (1996)).
40
since those parameter values make the consequent you should not go to
Aleppo false in all epistemically possible worlds.
This is where the second, pragmatic role for the antecedent
comes in. On our view, the antecedent if you go to Aleppo can
indicate to the hearer that different parameter values are in
play. Our suggestion is that the value of f remains unchanged:
f(w) still consists of worlds w′ that are circumstantially like
w. But g is no longer a ranking of worlds in terms of deontic
ideality given the agent’s information. Rather, it is a ranking
of worlds in terms of deontic ideality given a hypothetical body
of information consisting of the agent’s information plus
information specifying which city she goes to in w. In other
words, g(w) ranks worlds w′ on the basis of whether the option
performed in w′ is deontically ideal in light of the information
that the agent has in w plus information specifying which city
she goes to in w. Because the agent does not know where she
will go, two kinds of worlds w are epistemically possible for
her: those where this hypothetical body of information includes
her going to Aleppo and those where it includes her staying in
Damascus. The antecedent of IF-ALEPPO, however, restricts the
41
modal background to those epistemically possible worlds where she
goes to Aleppo, and hence to worlds where the hypothetical body
of information includes her going to Aleppo. Given causal
decision theory, staying in Damascus is deontically ideal given
such a body of information. The reason is that a body of
information that includes the fact that the agent goes to Aleppo
supports with high probability the claim that Death is in Aleppo,
and so assigns the highest causal expected utility to the agent’s
going to Damascus.31
Our analysis of IF-ALEPPO is thus quite similar to our
analysis of the advisability reading of IF-A (and of IF-B and
MORE INFORMATION). However, in discussing the miners case, we
noted that IF-A is most clearly relevant to the conversation when
it is possible we will learn the location of the miners before we
need to act, since then it offers advice that may be practically
useful. IF-ALEPPO does not appear relevant in the same way.
While IF-A could potentially lead us to block A were we to learn
the miners are in A, IF-ALEPPO cannot lead the agent to stay in31 To follow Carr’s discussion and focus on the semantic issue, weput aside some controversy over whether this is indeed the bestinterpretation of causal decision theory. See Joyce (2012) fordiscussion.
42
Damascus should she learn that she will go to Aleppo: if the
agent genuinely learns that she will go to Aleppo, then it cannot
be true that she will stay in Damascus.
However, we also noted that IF-A can be relevant even if we
know we will not learn the location of the miners before we need
to act. It can be part of the process of articulating our
understanding of the situation, or part of a lament about the
tragedy of the situation. IF-ALEPPO appears to have a similar
use. In conjunction with “If you stay in Damascus, you shouldn’t
stay in Damascus,” it can help to articulate our understanding of
the facts of the case. It can also express an aspect of the
tragedy of the situation, pointing out that knowledge of either
decision would support doing the opposite.
4. Objections: Assessing Semantic versus Near-side Pragmatic
Explanations
We have argued that Kratzer-style semantics can account for
the data in MINERS and in DEATH IN DAMASCUS. Two recent papers,
however, appear to claim that this is impossible. Cariani,
Kaufmann, and Kaufmann write that Kratzer-style semantics
43
incorrectly predicts the falsity of NEITHER in MINERS (2013:
241). Similarly, Carr writes that Kratzer-style semantics,
unless modified, cannot “predict or model” the data about iffy
oughts, as exemplified by DEATH IN DAMASCUS (forthcoming: 18). On
closer inspection, however, these papers do allow the in-
principle possibility of a Kratzer-style account compatible with
the data (2013: 231, footnote 14; forthcoming: 15). They hold,
instead, that there are further, more broadly theoretical reasons
to reject any such account. Although neither of these papers
considers the kind of solution we have offered here, it is worth
looking at whether any objections they offer raise difficulties
for our proposal.
Cariani, Kaufmann, and Kaufmann argue against one Kratzer-
style proposal on the grounds that it invokes a parameter value
that is not “a natural object to be contextually salient” (2013:
256). Similarly, Carr argues against a Kratzer-style proposal on
the grounds that it invokes a parameter value that is “ad hoc”
and that “might not even make sense” in DEATH IN DAMASCUS
(forthcoming: 15).
44
We do not believe the parameter values we have invoked are
susceptible to these objections. In analyzing NEITHER and
ALEPPO, we use a circumstantial modal base f that holds fixed the
agent’s options. This is a natural choice in contexts of
deliberation, where the interest is in selecting one option from
among those available to the agent. For the ordering g, we order
options by their deontic ideality in light of the agent’s
information. This, too, is salient in deliberative contexts:
deliberators care about whether their action is reasonable in
light of the information they have. One might object that an
agent’s primary interest in deliberation is in the goodness or
badness of outcomes, and so hold that the contextually-salient
ordering must be information-insensitive. Perhaps thinking along
these lines, Cariani, Kaufmann, and Kaufmann consider a Kratzer-
style approach that ranks worlds in terms of how many miners are
actually saved. We agree that an information-insensitive
ordering can be contextually salient; indeed, such an ordering is
in play in objective ought sentences such as EXISTS.
Nevertheless, when uncertainty is important, it is plausible that
45
deliberative attention will turn to an information-sensitive
ordering.
A similar story holds for the parameter values we have
invoked for MORE INFORMATION and IF-ALEPPO. There, we hold that
options are ordered in terms of their deontic ideality given a
hypothetical body of information consisting of the agent’s
information plus an additional fact. In accord with our
observations above, there are a variety of contexts where this
parameter value may be salient. For example, if deliberators
believe they may learn an additional fact, then planning ahead
may require asking now what their information plus that fact
supports doing. Alternatively, if it would be desirable (though
impossible) to know some additional fact, an ordering that takes
this fact into account may become salient, as a way of noting the
contrast between the information we have and the information we
wish we had. Such orderings also express an aspect of the
distinctive tragedy of dilemmas such as DEATH IN DAMASCUS.
Carr raises a more specific problem for a Kratzer-style
approach to IF-ALEPPO in DEATH IN DAMASCUS. She considers a modal
background that (i) contains only worlds where Death is in
46
Aleppo, on the grounds that Death must be in the same place as
you and the antecedent assumes you go to Aleppo, and yet (ii)
contains worlds where you go to Aleppo and worlds where you go to
Damascus. Carr writes that this proposal “assumes in the very
same breath that Death must be in the same place as you and that
he might not be” and concludes such a stipulation “might not even
make sense” (14-15). Our proposal avoids such an apparent
contradiction in a way similar to Carr’s own proposal. We
distinguish between the agent’s options and the agent’s
information (actual or hypothetical) about which option she will
choose. The hypothetical information state including the agent’s
information plus the fact that she will go to Aleppo places both
the agent and (with high probability) Death in Aleppo tomorrow.
Working with such a hypothetical information state is consistent
with maintaining that the agent has the option to choose either
city: in understanding the conditional, we assume hypothetically
that the agent will, out of her two actual options, choose
Aleppo. Of course, the case has the odd feature that the agent
believes that, whichever city she chooses, she will be in the
same place as Death, but also believes that if she were to choose
47
otherwise than she actually does, she would avoid Death. Still,
this feature appears to be coherent and, in any event, is
essential to the description of the case given by Gibbard and
Harper.
In arguing against Kolodny and MacFarlane (2010), Cariani,
Kaufmann, and Kaufmann point to transparency as a “main
advantage” of their own account. They hold that it is desirable
to represent the agents’ priorities “transparently and
independently of the information available to them” (256). In
MINERS, they represent the priorities as saving more, rather than
fewer, miners; the priorities are thus specified without
reference to the agents’ information. The account we have
offered above lacks this feature: the ranking of worlds given by
our parameter value for g is not independent of the agent’s
information.
We do not see this as a disadvantage. Notice first that the
ordering of worlds in play in a given use of a modal expression
may depend on many things. For example, what one must do,
legally speaking, may depend on the facts of the case, the laws
themselves, court opinions, conventions of interpretation, and
48
perhaps on the substance of morality itself. It would be
premature to conclude from this that the semantic value for the
legal ‘must’ has argument places for each of these things.
In the case at hand, it is true that some substantive views
about how one should act are naturally represented as separating
the role of information and priorities: the MaxiMin view invoked
by Cariani, Kaufmann, and Kaufmann is an example. However, other
substantive views do not naturally fit this model. For example,
a non-consequentialist view might impose an absolute prohibition
on imposing a significant risk of harm on an innocent person in
any circumstance where this can be avoided. The view allows
trivial risks, but rules out risks above a threshold. Such a
view, in its most natural representation, invokes the agent’s
information in specifying the relevant priorities: what the agent
should be concerned with is specified partly in terms of the
risks from her point of view. While one could implement such a
view consistent with the letter of transparency (for example, by
having most or all of the work done by a decision rule parameter,
with little or no role for priorities), transparency in itself
does not appear desirable here.
49
Probably the main source of resistance to our proposal will
be a broadly theoretical consideration cited by both Carr and
Cariani, Kaufmann, and Kaufmann: systematicity.32 Indeed,
Cariani, Kaufmann, and Kaufmann defend transparency at least
partly on the grounds that it secures systematicity: their
account derives the ordering of options via a novel semantic rule
that operates on the antecedent of a conditional as well as
information, priorities, and a decision problem. Carr, too,
cites systematicity and derives the ordering of options from a
novel semantic rule that operates on the antecedent of a
conditional as well as information and a function from
information to orderings.33 Our account appeals to no such
semantic derivation. The parameter values (e.g. the value for g
that refers to deontic ideality in light of an information state)
are supplied by context directly to the consequent of the
conditional, rather than being derived by a semantic rule. In
assigning this role to context, rather than to a novel semantic
32 See also Charlow (2013).33 These accounts constitute additions to the Kratzer framework,insofar as the rules and additional parameters they invoke can beused to recover the Kratzer framework by choosing trivial valuesfor certain parameters.
50
rule, our account provides a near-side pragmatic explanation for
how the needed truth-conditions get assigned.
Given that, as we show above, a Kratzer-style semantics does
make room for readings that fit with our judgments in the puzzle
cases, some more theoretical consideration is required to decide
between the two rival, semantic and pragmatic, explanations of
the cases. Appeal to systematicity would seem to be the right
sort of consideration to play that role. However, a significant
worry about the systematicity argument is whether the rival
semantic proposals can, in fact, be developed in a systematic
way. For example, the derivations offered by Cariani, Kaufmann,
and Kaufmann assume the MaxiMin decision rule. While it is easy
to generalize the account to, say, the MaxiMax decision rule, it
is not clear how to generalize it to more sophisticated decision
rules (such as expected utility maximization or non-
consequentialist approaches to uncertainty) while preserving the
kinds of derivations cited as evidence of the account’s
systematicity. The ability to offer such derivations only for a
small subset of decision rules is not an advantage in
systematicity.
51
But we will argue more directly that considerations of
systematicity actually favor our pragmatic approach. Notice
first that, given the variety of readings in principle available
to a modal expression, hearers clearly do have a substantial
ability to tell which parameter values are intended for a given
sentence. In particular, readings can vary in what information
or facts are relevant: it can be the information the agent will
in fact have at the time of action, the information she could or
should have by that time, an advisor’s information, or
alternatively all the relevant facts (whether known by anyone or
not). A key part of our proposal is to say that the relevant
information may be the agent’s information plus some contextually
relevant fact as in MORE INFORMATION or IF-ALEPPO.
To see that such a proposal isn’t ad hoc, but enjoys
independent support, consider a case from DeRose (1991) regarding
“John, who has some symptoms indicative of cancer, and a
‘filtering’ test which John’s doctor decides to run and which has
two possible results: If the results are ‘negative,’ then cancer
is conclusively ruled out; if the results are ‘positive,’ then
John might, but also might not, have cancer: further tests will
52
have to be run.” (582) The test has been run, but the results are
not known by anyone. DeRose notes that Jane, who is familiar
with the situation but does not have the test results, could say:
“I don’t know whether it’s possible that John has cancer.”
(593)
What Jane does not know is, roughly, whether John’s having cancer
is compatible with what she knows combined with the information
from the test results. This has a clear structural similarity to
our own account, where the relevant body of information is the
agent’s combined with some additional fact.34
On analogy with DeRose’s case, consider a version of von
Fintel’s three-shaft version of the miners case. The agents in
this case know the following: They will not learn anything about
the location of the miners before the time they need to act.
There is, however, a test that can determine whether or not the
miners are in A. If they are in A, it says they are in A. If
they are in B or C, it simply says they are not in A. The test
has been run, but the results are not known by anyone. An agent
in the case could say:34 See Dowell (2011) for discussion of a version of DeRose’s casein keeping with our present proposal.
53
I don’t know whether we ought to blow A up.
The information relevant to this sentence is not the information
the agent will actually have at the time of action, since that
supports doing nothing and so definitively does not support
blowing A up. Nor is it all the possible information about the
case, since this would support blocking whichever the shaft the
miners are in. Rather it is the agent’s information about the
case combined with information specifying whether or not the
miners are in A.
This example is thus best interpreted with just the kind of
parameter value we have posited. Because “I don’t know whether
we ought to blow A up” is not a conditional, we cannot say here
that the parameter value is somehow derived from a semantic rule
operating on an antecedent. Instead, the context, which includes
the sentence itself, supplies the parameter value directly to the
modal. Thus, the very mechanism and type of parameter value we
posit for MORE INFORMATION and IF-ALEPPO quite plausibly operates
in this case. Our account of these sentences is systematic
insofar as it simply extends a mechanism we already have reason
to accept.
54
Indeed, our account offers a particularly unified and
systematic account of the following piece of discourse (TEST):
I don’t know whether we ought to blow A up. If theminers are not in A, we ought to blow A up. If theminers are in A, we ought not blow A up.
On our account, context supplies the same parameter values to the
modals in all of these sentences: the ordering g ranks worlds on
the basis of what is deontically ideal in light of the agent’s
information plus the fact about whether or not the miners are in
A. Below we will consider in more detail a dilemma that this
case raises for our rivals. But at this point, it is worth
noting that the pattern of explanation they offer for MINERS and
DEATH IN DAMASCUS, in which a semantic rule operates on a
contextually supplied parameter value (or values) in conjunction
with the antecedent of a conditional to yield a new ordering,
would be overly complex here. On that pattern, one would end up
saying that context supplies one value for g to the first
sentence, and then a different value g′ to the two conditionals,
but that this value gets operated on in conjunction with the
antecedents to yield a new ordering, possibly the same as the
55
original g, that gets the truth conditions right.35 Such an
account invokes both a novel semantic rule with additional
parameter(s) and an unmotivated context shift. We posit neither
of these, and thus offer a simpler, more systematic account of
this discourse.
Carr offers a final objection to the potential for a
Kratzer-style account to handle the data in DEATH IN DAMASCUS:
equivocation. She writes that an adequate account must allow an
“unequivocal treatment of expressions of reasonable decision
theories.” Carr seems to grant here that a Kratzer-style view
could accommodate the data with appropriate parameter values, but
maintains that ALEPPO and IF-ALEPPO “should be compatible at a
single context” on the grounds that “they are all the
deliverances of a unified and coherent body of norms: namely,
causal decision theory plus the desire to avoid death” (15).
Similarly Cariani, Kaufmann, and Kaufmann write “we believe
(although there is naturally room for further argument) that the
data point is that it is these very conditionals (i.e. [IF-A and
IF-B]) that are true on the deliberative interpretation of ought”35 On Carr’s account, this could be implemented via a contextshift in the information parameter.
56
(231, footnote 14). This, too, suggests the view that a single
parameter value must be in play for NEITHER, which is clearly
deliberative, as well as IF-A and IF-B.
If there is an intuition that NEITHER, IF-A, and IF-B are
true on the very same readings of the modals, we are not sure
just what it is supposed to be. As a point of comparison,
consider a reading of IF-A on which it is false. Cariani,
Kaufmann, and Kaufmann call this the “non-reflecting” reading of
the conditional, which they elucidate as follows:
If the miners are in shaft A, we (still) ought to blockneither shaft, for their being in shaft A doesn’t meanthat we know where they are. Indeed, no matter wherethe miners are, we ought to block neither shaft. (227)
It does seem plausible that this instance of “if the miners are
in shaft A, we ought to block neither shaft” involves the very
same reading of the modal as does NEITHER; indeed, Cariani,
Kaufmann, and Kaufmann “take it to be obvious that the non-
reflecting interpretation is deliberative” (240, footnote 31).
Yet, as these authors acknowledge, there is not quite this
feeling of sameness between IF-A when heard as true and NEITHER
(228, footnote 6; 231, footnote 14; 240, footnote 31).
57
We agree that there is some feeling of commonality between
IF-A, even when heard as true, and NEITHER. Indeed, our account
explains this in line with Carr’s idea that, in DEATH IN DAMASCUS,
sentences like these are “the deliverances of a unified and
coherent body of norms.” On our view, IF-A and NEITHER both
invoke an ordering of worlds in terms of deontic ideality. These
sentences do flow from the same norms, perhaps even norms of
causal decision theory. However, there is a slight difference
between them: NEITHER applies these norms to our actual
information, while IF-A (on its advisability reading) applies
these norms to our actual information plus information specifying
the location of the miners. Our account therefore explains why
the feeling of commonality is weaker here than it is between IF-A
on its non-reflecting reading and NEITHER. In the latter case,
the ordering is identical between the two sentences, while in the
former it is merely very similar.
One might try to press the point about equivocation against
our proposal on more theoretical grounds. Carr, as quoted above,
may hold as a desideratum that it should be possible in English
to express the deliverances of causal decision theory without a
58
change in contextually supplied parameter values. We need not
decide whether this is a legitimate desideratum, since our view
satisfies it. On our view, one may express the deliverances of
causal decision theory without a change in contextually supplied
parameter values by using the subjective ‘ought’ in a set of
conditionals of the form: “if your credences and values are …,
you ought to …”. Our view would not, of course, meet the
stronger desideratum that every discourse that expresses the
deliverances of causal decision theory must involve no change in
contextually supplied parameter values. But this stronger
desideratum would be unmotivated given the general utility to
conversation of such changes for modals, quantifier domains, and
demonstratives.36,37
36 For example, we easily navigate an unannounced shift from thecircumstantial modality of “hydrangeas can grow here” to thelegal modality of “you can plant anything that won’t blockvisibility around the corner.” It would be possible, but morecumbersome, to express these thoughts without relying on contextto supply the appropriate parameter values. Dowell (2011, 2013)defends the view that our ability to detect speaker intentionsunderwrites our competence with contextually supplied parametervalues. 37 Jennifer Carr (pc) asks whether our willingness to posit covertmodals, combined with contextual flexibility, might undermine thereasons for accepting the view of if-clauses as restrictors. Shesuggests that reading ‘if p, then q’ as must(p q), where anepistemic ‘must’ takes scope over a material conditional, would
59
Considerations of whether a set of sentences is intuitively
equivocal may ultimately support our account in a different way.
Consider again the piece of discourse mentioned above, TEST, for
von Fintel’s three-shaft version of the miners case, where we
stipulate the existence of test results that tell whether or not
the miners are in A:
I don’t know whether we ought to blow A up. If theminers are not in A, we ought to blow A up. If theminers are in A, we ought not blow A up.
These sentences do not appear to be equivocal. This leads to a
dilemma for the views of Carr and Cariani, Kaufmann, and
Kaufmann. They may choose to go contrary to this intuition, and
insist that context supplies different parameter values for the
first sentence than for the conditionals. This, we think, would
further undermine their appeal to a sense of commonality between
IF-A and NEITHER to argue for sameness of contextually supplied
parameter values there. As mentioned above, it also appears to
then offer a simpler semantics. We note that such a view wouldneed to add a condition to avoid the consequence that ‘if p, thenq’ is true whenever must(~p) is true. Given this, we do notregard the alternative as simpler than the restrictor view. Theviability of the alternative depends in part on whether it can bedeveloped to deal systematically with the full range of data thathave been taken to motivate the restrictor view (e.g. Lewis(1975)), a question we do not explore here.
60
be a needlessly complex account of this piece of discourse, one
which invokes both a novel semantic rule with additional
parameter(s) and an unmotivated context shift, in contrast to our
straightforward account.
Alternatively, they could hold that context supplies the
same parameter values to all these sentences. In that case, they
grant that conditionals like MORE INFORMATION, IF-A, and IF-
ALEPPO receive, in cases like this one, their true readings
simply because context supplies the appropriate parameter values,
and not because a novel semantic rule is in play. This puts
strong pressure on their accounts to hold that these conditionals
receive their true readings in other cases, such as the standard
MINERS or DEATH IN DAMASCUS cases, for the same reason. Overall,
on this branch, all sides are committed to the core of the
Kratzer semantics and to the existence of a pragmatic mechanism
that can assign the kind of parameter values we have posited in
the standard MINERS or DEATH IN DAMASCUS cases. Our opponents add
commitments to a more complicated semantics and to the claim that
the pragmatic mechanism that is common ground cannot operate in
those cases. The additional commitments of the opposing views
61
might be justified if there were strong independent reason to
hold that those cases cannot involve a shift in contextually
supplied parameter values, but our investigation of this issue
above has revealed no such reason. Theoretical virtues would
thus appear to favor our account over the alternatives.
5. Conclusion
There has been much recent work in the literature in the
philosophy of language, linguistics, and metaethics over whether
a Kratzer-style contextualist semantics for modal expressions can
be made to fit with the full range of data in a series of puzzle
cases. Part of what is at stake in these debates is the
viability of relativism as a research program in the philosophy
of language and linguistics; much of the motivation for
relativism is the claim that no contextualist semantics for some
expression E is plausible.
Also at issue is to what extent linguists and philosophers
of language should prefer semantic over near-side pragmatic
explanations of ordinary speakers’ judgments that make up the
primary data for semantic and pragmatic theories. As we’ve seen
62
here, some contextualists, like relativists, defend their novel
semantic proposals on the grounds that no Kratzer-style semantics
can be made to fit with the full range of data in MINERS or in
DEATH IN DAMASCUS. Here we have shown how this is not so, by
identifying available Kratzer-friendly readings that fit with the
agreed upon data. This includes showing both how all of NEITHER,
IF-A, and IF-B may be true in a single piece of practical
reasoning in MINERS and how ALEPPO and IF-ALEPPO may both be true
in DEATH IN DAMASCUS, under the assumption that the norms in play
are those of causal decision theory.
The remaining objection to Kratzer-friendly readings in
those cases is the claim that it is “ad hoc” or “unsystematic” to
suppose that context is able to secure the needed parameter
values, as our pragmatic explanation requires. But we have seen
how this objection is misplaced; clear features of the context in
which those utterances are felicitous are features that make the
needed parameter values highly salient. We have also, in
considering DeRose’s case and a parallel three-shaft MINERS case,
identified independent evidence for the contextual availability
of what we are calling the “advisability” readings that we posit
63
for MORE INFORMATION and for IF-ALEPPO. This is further evidence
that positing such readings is not ad hoc, but required on
grounds independent of the issues raised here.
Finally, we have seen that the charge that the readings we
identify are “unsystematic” is also misplaced. Our theory is
able to identify the sense of commonality between NEITHER and IF-
A and IF-B that is pretheoretically plausible and likewise for
the piece of discourse TEST. In contrast, our opponents are
faced with a dilemma. In accounting for TEST, they must either
offer a needlessly complex explanation that undermines their
general appeal to the sameness of contextually supplied parameter
values, or else endorse all the materials needed for own account,
thus making their additional commitments appear superfluous.
We conclude that a Kratzer-style, flexible contextualist
semantics, supplemented with a near-side pragmatic account of how
it is that contexts supply the needed parameter values, remains
the view to beat.
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