A Theory of Conditionals

  title={A Theory of Conditionals},
  author={Robert Stalnaker},
  journal={Knowledge and Conditionals},
This chapter was the first exposition and defense of an axiom system and model theory for a conditional logic in the possible worlds framework, a theory designed to model counterfactual propositions. It is argued, using a version of the Ramsey test, that the truth-conditions for conditionals that are provided can explain why we assess counterfactuals in the way we do. Counterexamples are given for various principles that are often taken to be valid for conditionals, but that are invalid on the… 
An Indexical Theory of Conditionals
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Two new and fundamentally different accounts of conditionals and their logic have been put forth, one based on nearness of possible worlds and the other based on subjective conditional probabilities, but each has an important application to natural language, or so I shall argue.
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This paper examines a neglected puzzle about conditionals: namely, the fact that each of a pair of conditionals with incompatible consequents, [A>C] and [B>C*], may be properly affirmable in
Variation on a Trivialist Argument of Paul Kabay
The argument is inspired by a metaphysical (rather than modal-logical) argument of Paul Kabay’s which would have us accept this unpalatable conclusion, though its details bear a closer resemblance to a line of thought developed by Jc Beall.
What not? A defence of dialetheic theory of negation
The primary concern of logic is inference; and in particular, the question of what constitutes a valid inference. In investigating this issue, a certain class of notions has always appeared to be of
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If recent literature is anything to go by, there exists a widespread consensus to the effect that the notion of sub junc t ive -o r counterfactualconditionals is logically prior to that of causation.
A Uniform Theory of Conditionals
It is shown that this new analysis provides an improved treatment of three phenomena (the import-export equivalence, reverse Sobel-sequences and disjunctive antecedents) and broader themes in the philosophy of language and formal semantics are also engaged here.
Intrinsicality and the Conditional
  • R. Jennings
  • Philosophy
    Canadian Journal of Philosophy
  • 1986
In [3] I argued for a particular kind of semantics for subjunctive conditionals. The arguments were based upon some linguistic considerations of the general character of what we mean when we say such
Modality, Metaphysics, and Method
Since the modal turn of the 1960s and 1970s, modality has played a central role in metaphysical theories about numerous topics. For example, many philosophers have defined an essential feature of an


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liELsoN Goodman's second book,1 which represents?excepting the first chapter, a reprint of the well-known paper, "The Prob lem of Counterfactual Conditionals"?the "Special Lectures in Philosophy" he
Semantical Analysis of Modal Logic I Normal Modal Propositional Calculi
Publisher Summary This chapter discusses semantical analysis of modal logic ii and non-normal modal propositional calculi. The proof of sufficiency, which is omitted by many, proceeds by constructing
General Propositions and Causality
This file contains a photograph of Ramsey's original manuscript, written in 1929. The page numbers and pencilled alterations were made by R. B. Braithwaite after Ramsey's death in 1930, in preparing