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  1. (1 other version)Formal Properties of 'Now'.Hans Kamp - 1971 - Theoria 37 (3):227-273.
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  • Inexact knowledge.Timothy Williamson - 1992 - Mind 101 (402):217-242.
    Most of our knowledge is inexact, and known by us to be so. An example of such known inexactness will be described in some detail. The description seems to entail a contradiction. However, the paradoxical reasoning rests on an assumption. It will be suggested that the description is correct and this assumption false. Its failure will be explained by means of a picture of inexact knowledge in which the notion of a margin for error is central. This picture suggests diagnoses (...)
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  • (1 other version)To the memory of Arthur Prior Formal properties of ‘now’.Hans Kamp - 1971 - Theoria 37 (3):227-273.
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  • Margin for error and the transparency of knowledge.Jérôme Dokic & Paul Égré - 2009 - Synthese 166 (1):1-20.
    In chapter 5 of Knowledge and its Limits, T. Williamson formulates an argument against the principle (KK) of epistemic transparency, or luminosity of knowledge, namely “that if one knows something, then one knows that one knows it”. Williamson’s argument proceeds by reductio: from the description of a situation of approximate knowledge, he shows that a contradiction can be derived on the basis of principle (KK) and additional epistemic principles that he claims are better grounded. One of them is a reflective (...)
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  • Reasoning about knowledge.Ronald Fagin, Joseph Y. Halpern, Yoram Moses & Moshe Vardi - 2003 - Cambridge: MIT Press.
    Reasoning About Knowledge is the first book to provide a general discussion of approaches to reasoning about knowledge and its applications to distributed ...
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  • (2 other versions)Vagueness.Timothy Williamson - 1994 - New York: Routledge.
    Vagueness provides the first comprehensive examination of a topic of increasing importance in metaphysics and the philosophy of logic and language. Timothy Williamson traces the history of this philosophical problem from discussions of the heap paradox in classical Greece to modern formal approaches such as fuzzy logic. He illustrates the problems with views which have taken the position that standard logic and formal semantics do not apply to vague language, and defends the controversial realistic view that vagueness is a kind (...)
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  • Vagueness.Timothy Williamson - 1994 - British Journal for the Philosophy of Science 46 (4):589-601.
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  • Vagueness and Introspection.Denis Bonnay & Paul Egré - unknown
    Version of March 05, 2007. An extended abstract of the paper appeared in the Proceedings of the 2006 Prague Colloquium on "Reasoning about Vagueness and Uncertainty".
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  • Margins for error in context.Denis Bonnay & Paul Egré - 2008 - In G. Carpintero & M. Koelbel (eds.), Relative Truth. Oxford University Press. pp. 103--107.
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  • Intransitivity and vagueness.Joseph Y. Halpern - 2008 - Review of Symbolic Logic 1 (4):530-547.
    There are many examples in the literature that suggest that indistinguishability is intransitive, despite the fact that the indistinguishability relation is typically taken to be an equivalence relation (and thus transitive). It is shown that if the uncertainty perception and the question of when an agent reports that two things are indistinguishable are both carefully modeled, the problems disappear, and indistinguishability can indeed be taken to be an equivalence relation. Moreover, this model also suggests a logic of vagueness that seems (...)
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  • A theory of hypermodal logics: Mode shifting in modal logic. [REVIEW]D. M. Gabbay - 2002 - Journal of Philosophical Logic 31 (3):211-243.
    A hypermodality is a connective □ whose meaning depends on where in the formula it occurs. The paper motivates the notion and shows that hypermodal logics are much more expressive than traditional modal logics. In fact we show that logics with very simple K hypermodalities are not complete for any neighbourhood frames.
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  • (2 other versions)Précis of Vagueness.Timothy Williamson - 1997 - Philosophy and Phenomenological Research 57 (4):921-928.
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  • (1 other version)Timothy Williamson, Vagueness: London and New York: 1994. [REVIEW]Vann McGee - 1998 - Linguistics and Philosophy 21 (2):221-235.
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  • Modal Logic: Graph. Darst.Patrick Blackburn, Maarten de Rijke & Yde Venema - 2001 - New York: Cambridge University Press. Edited by Maarten de Rijke & Yde Venema.
    This modern, advanced textbook reviews modal logic, a field which caught the attention of computer scientists in the late 1970's.
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  • (2 other versions)Modal logic.Yde Venema - 2000 - Philosophical Review 109 (2):286-289.
    Modern modal logic originated as a branch of philosophical logic in which the concepts of necessity and possibility were investigated by means of a pair of dual operators that are added to a propositional or first-order language. The field owes much of its flavor and success to the introduction in the 1950s of the “possible-worlds” semantics in which the modal operators are interpreted via some “accessibility relation” connecting possible worlds. In subsequent years, modal logic has received attention as an attractive (...)
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  • An alternative rule of disjunction in modal logic.Timothy Williamson - 1991 - Notre Dame Journal of Formal Logic 33 (1):89-100.
    Lemmon and Scott introduced the notion of a modal system's providing the rule of disjunction. No consistent normal extension of KB provides this rule. An alternative rule is defined, which KDB, KTB, and other systems are shown to provide, while K and other systems provide the Lemmon-Scott rule but not the alternative rule. If S provides the alternative rule then either —A is a theorem of S or A is whenever A -> ΠA is a theorem; the converse fails. It (...)
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  • (1 other version)Reliability, margin for error, and self-knowledge.Paul Egré - 2007 - In Vincent Hendricks (ed.), New Waves in Epistemology. Aldershot, England and Burlington, VT, USA: Palgrave-Macmillan. pp. 215--250.
    Forthcoming in D.H. Pritchard & V. Hendricks, New Waves in Epistemology,.
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  • (1 other version)Reliability, margin for error, and self-knowledge.Paul Egré - 2007 - In Vincent Hendricks (ed.), New Waves in Epistemology. Aldershot, England and Burlington, VT, USA: Palgrave-Macmillan. pp. 215--250.
    Forthcoming in D.H. Pritchard & V. Hendricks, New Waves in Epistemology,.
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