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33Vague Predicates and Language GamesTheoria: Revista de Teoría, Historia y Fundamentos de la Ciencia 11 (3): 97-107. 1996.Attempts to give a Logic or Semantics for vague predicates and to defuse the Sorites paradoxes have been largely a failure. We point out yet another problem with these predicates which has not been remarked on before,namely that different people do and must use these predicates in individually different ways. Thus even if there were a semantics for vague predicates, people would not be able to share it. To explain the occurrence nonetheless of these troublesome predicates in language, we propose…Read more
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Some Reminiscences of KreiselIn Piergiorgio Odifreddi (ed.), Kreiseliana. About and Around Georg Kreisel, A K Peters. pp. 89. 1996.
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140Journal of Philosophical Logic 34, 97-119, 2005.
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24Review of “Epistemology, A Contemporary Introduction to the Theory of Knowledge” (review)Essays in Philosophy 9 (2): 6. 2008.
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Uwe Schoning and Randall Pruim, Gems of Theoretical Computer ScienceJournal of Logic Language and Information 9 (1): 131-132. 2000.
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30Meeting of the association for symbolic logic: New York city, may 1987Journal of Symbolic Logic 53 (4): 1270-1274. 1988.
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2Review: Robert Goldblatt, Logics of Time and Computation (review)Journal of Symbolic Logic 60 (1): 347-347. 1995.
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43On Kripke's Puzzle about Time and ThoughtIn Kamal Lodaya (ed.), Logic and its Applications, Springer. pp. 121--126. 2013.
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17Goldblatt Robert. Logics of time and computation. Second edition of LVI 1495. CSLI lecture notes, no. 7. Center for the Study of Language and Information, Stanford 1992, also distributed by the University of Chicago Press, Chicago, ix + 180 pp (review)Journal of Symbolic Logic 60 (1): 347-347. 1995.
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40Completeness of Certain Bimodal Logics for Subset SpacesStudia Logica 71 (1): 1-30. 2002.Subset Spaces were introduced by L. Moss and R. Parikh in [8]. These spaces model the reasoning about knowledge of changing states.In [2] a kind of subset space called intersection space was considered and the question about the existence of a set of axioms that is complete for the logic of intersection spaces was addressed. In [9] the first author introduced the class of directed spaces and proved that any set of axioms for directed frames also characterizes intersection spaces.We give here a c…Read more
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81997-1998 Winter Meeting of the Association for Symbolic LogicBulletin of Symbolic Logic 4 (2): 217-224. 1998.
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79A knowledge based semantics of messagesJournal of Logic, Language and Information 12 (4): 453-467. 2003.We investigate the semantics of messages, and argue that the meaning ofa message is naturally and usefully given in terms of how it affects theknowledge of the agents involved in the communication. We note thatthis semantics depends on the protocol used by the agents, and thus not only the message itself, but also the protocol appears as a parameter in the meaning. Understanding this dependence allows us to give formal explanations of a wide variety of notions including language dependence, impl…Read more
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Some Remarks on Knowledge, Games and SocietyJournal of the Indian Council of Philosophical Research 27 (1). 2010.
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17Review of “If P, then Q; Conditionals and the Foundations of Reasoning” (review)Essays in Philosophy 7 (1): 12. 2006.
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102Vagueness and utility: The semantics of common nouns (review)Linguistics and Philosophy 17 (6). 1994.A utility-based approach to the understanding of vague predicates (VPs) is proposed. It is argued that assignment of truth values to propositions containing VPs entails unjustifiable assumptions of consensus; two models of VP semantics are criticized on this basis: (1) the super-truth theory of Kit Fine (1975), which requires an unlikely consensus on base points; (2) the fuzzy logic of Lotfi Zadeh (1975), on fuzzy truth values of sentences. Pragmatism is held to provide a key: successful behavio…Read more
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10Review: Sheila Greibach, A New Normal-Form Theorem for Context-Free Phase Structure Grammars (review)Journal of Symbolic Logic 34 (4): 658-658. 1969.
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8Review: David Harel, Proving the Correctness of Regular Deterministic Programs: A Unifying Survey Using Dynamic Logic (review)Journal of Symbolic Logic 50 (2): 552-553. 1985.
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10Harel David. Proving the correctness of regular deterministic programs: a unifying survey using dynamic logic. Theoretical computer science, vol. 12 , pp. 61–81 (review)Journal of Symbolic Logic 50 (2): 552-553. 1985.
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52Beth definability, interpolation and language splittingSynthese 179 (2). 2011.Both the Beth definability theorem and Craig's lemma (interpolation theorem from now on) deal with the issue of the entanglement of one language L1 with another language L2, that is to say, information transfer—or the lack of such transfer—between the two languages. The notion of splitting we study below looks into this issue. We briefly relate our own results in this area as well as the results of other researchers like Kourousias and Makinson, and Peppas, Chopra and Foo.Section 3 does contain …Read more
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111Social SoftwareSynthese 132 (3): 187-211. 2002.We suggest that the issue of constructing andverifying social procedures, which we suggestively call socialsoftware, be pursued as systematically as computer software is pursued by computer scientists. Certain complications do arise withsocial software which do not arise with computer software, but thesimilarities are nonetheless strong, and tools already exist which wouldenable us to start work on this important project. We give a variety ofsuggestive examples and indicate some theoretical work…Read more
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Philosophy of Language |
Logic and Philosophy of Logic |