tages of this account of indicative conditionals, and in section. 5 I reply to on Grice’s Views about the Logical Particles of Natural Language,” in Prag- matics of . if it is a valid inference, then the indicative conditional conclusion must be logically 3 H.P. Grice, in his William James lectures, 4 pursued the first of these . conditionals, but not those of indicative conditionals, are known to be false or at . of this view include Lewis [], Jackson [], [], and Grice [a]. 6.

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But we could approximate the idea of taking the premises as assumptions: Other Cited Works Adams, E. We need now to consider the nearest world to w in which Reagan does not win. First consider classically valid that is, necessarily truth-preserving arguments which don’t involve conditionals.

Draw a long narrow horizontal rectangle. It also occurs in questions and commands: Hence i am close to certain that 3 A Republican will win.

The Material Conditional: Grice

The argument was as follows. As well as conditional beliefs, there are conditional desires, hopes, fears, etc. Nevertheless it is a sort of possibility-proof: Imagine a partition as conritionals into a large finite number of equally-probable chunks, such that the propositions with which we are concerned are true in an exact number of them. Supp has squared the circle: Publications Pages Publications Pages.

But by Hook’s lights, if the glass was not dropped, and was not fragile, the conditional has a gricr conditional antecedent and false consequent, and is hence false. Johnston – – Philosophical Studies 83 1: One way of motivating this approach is to treat it as a refinement of Stalnaker’s truth conditions. To make the point in a condutionals different way, let me adopt the following as an expository, heuristic device, a harmless fiction.


But we can have: Conditionals, Indeterminacy, and Triviality. This is no help when it occurs, unasserted, as a constituent of a longer sentence, as Jackson accepts. Search my Subject Specializations: A recent variant of this approach, more principled and more successful, is Bradley It does not matter if this is a pretence: They do not satisfy PPP.

The condtionals is useful to know: And a nice logic emerges, which is now well known. Conditional desires appear to be like conditional beliefs: The selection function does substantive work only when A is false. This does not demonstrate that Hook is correct.

Indicative Conditionals

Suppose A is true; in that case, the actual world is the nearest A -world, and we just have to figure out under that assumption how likely it is that Ai. That is, she acquires a reason to think that if she presses it, there will be an explosion; and hence a reason not to press it. I have entered a competition and have a very small chance of winning.

The following patterns of inference are therefore valid:. That is, ignore lines 3 and 4 in which A is false.

Someone conjectures that if Ann isn’t home, Bob is. I don’t think that if she was seriously injured on her way to work, she is giving a lecture right now. The non-truth-functionalist call her Arrow gets this wrong. Grice’s strategy was to explain why we don’t assert certain conditionals which by Hook’s lights we have reason to believe true. I reject that conditional.

Ernest Adams, in two articlesand a subsequent bookgave a theory of the validity of arguments involving conditionals as construed by Supp. If -clauses are devices for restricting the domains of operators. Someone asks me whether the match will go ahead.


Although Supp and Hook give the same answer to Question 1, their reasons are different.

Indicative Conditionals (Stanford Encyclopedia of Philosophy)

So if A is false, only one possibility remains: Here is her famous remark:. They do not combine to yield a single proposition which is judged to be likely to be true just when the second is judged likely to be true on the supposition of the first.

No problems arose in virtue of the cases in which the antecedent is true. Under the terms of the licence agreement, an individual user may print out a PDF of a single chapter of a monograph in OSO for personal use for details see www.

They try to show that when a sentence with a conditional subsentence is intelligible, it can be paraphrased, at least in context, by a sentence without a conditional subsentence.

Sign in Create an account. Again the problem becomes vivid when we consider the case when I’m only nearly sure, but not quite sure, that B. The strength of your conditional belief is measured by how probable you judge the consequent, on the assumption that the antecedent is satisfied; and this is not the same as thinking a conditional proposition is probably true.

I think B may be false, and will be false if certain, in my view unlikely, circumstances obtain.