David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Studia Logica 54 (3):391 - 410 (1995)
Our purpose is to formulate a complete logic of propositions that takes into account the fact that propositions are both senses provided with truth values and contents of conceptual thoughts. In our formalization, propositions are more complex entities than simple functions from possible worlds into truth values. They have a structure of constituents (a content) in addition to truth conditions. The formalization is adequate for the purposes of the logic of speech acts. It imposes a stronger criterion of propositional identity than strict equivalence. Two propositions P and Q are identical if and only if, for any illocutionary force F, it is not possible to perform with success a speech act of the form F(P) without also performing with success a speech act of the form F(Q). Unlike hyperintensional logic, our logic of propositions is compatible with the classical Boolean laws of propositional identity such as the symmetry and the associativity of conjunction and the reduction of double negation.
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References found in this work BETA
J. L. Austin (1975). How to Do Things with Words. Clarendon Press.
Saul A. Kripke (1963). Semantical Considerations on Modal Logic. Acta Philosophica Fennica 16 (1963):83-94.
Richard Montague (1975). Formal Philosophy. Canadian Journal of Philosophy 4 (3):573-578.
David Kaplan (1979). On the Logic of Demonstratives. Journal of Philosophical Logic 8 (1):81 - 98.
John Searle & Daniel Vanderveken (1985). Foundations of Illocutionary Logic. Cambridge University Press.
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