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Tony Roy [12]Tony Daniel Roy [1]
  1. Natural Derivations for Priest, Introduction to Non-Classical Logic.Tony Roy - 2006 - Australasian Journal of Logic 4:47-192.
    This document collects natural derivation systems for logics described in Priest, An Introduction to Non-Classical Logic. It provides an alternative or supplement to the semantic tableaux of his text. Except that some chapters are collapsed, there are sections for each chapter in Priest, with an additional, final section on quantified modal logic. In each case, the language is briefly described and key semantic definitions stated, the derivation system is presented with a few examples given, and soundness and completeness are proved. (...)
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  2.  15
    New Directions in Metaphysics.Tony Roy & Matthew Davidson - 2012 - In Robert Barnard Neil Manson (ed.), Continuum Companion to Metaphysics. London: Continuum. pp. 268.
    This is an exploration of recent trends in metaphysics, including deflationary and experimental metaphysics.
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  3.  42
    Worlds and Modality.Tony Roy - 1993 - Philosophical Review 102 (3):335-361.
  4. New Directions in Metaphysics.Matthew Davidson & Tony Roy - forthcoming - In New Directions in Metaphysics. Continuum.
    In this paper we set out a Quinean approach to metaphysics. We evaluate Eli Hirsch's and Amie Thomasson's deflationary metaphysics and set out our metametaphysical framework.
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  5.  91
    In Defense of Linguistic Ersatzism.Tony Roy - 1995 - Philosophical Studies 80 (3):217 - 242.
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  6.  43
    On Permutation in Simplified Semantics.Greg Restall & Tony Roy - 2009 - Journal of Philosophical Logic 38 (3):333 - 341.
    This note explains an error in Restall’s ‘Simplified Semantics for Relevant Logics (and some of their rivals)’ (Restall, J Philos Logic 22(5):481–511, 1993 ) concerning the modelling conditions for the axioms of assertion A → (( A → B ) → B ) (there called c 6) and permutation ( A → ( B → C )) → ( B → ( A → C )) (there called c 7). We show that the modelling conditions for assertion and permutation proposed (...)
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  7.  47
    Things and de Re Modality.Tony Roy - 2000 - Noûs 34 (1):56–84.
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  8.  2
    Modalities: Philosophical Essays.Tony Roy & Ruth Barcan Marcus - 1995 - Philosophical Review 104 (2):330.
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  9.  61
    Validity and Soundness.Tony Roy - unknown
    In this short paper, I introduce two central notions for argument evaluation. The presentation is completely informal. It is possible to develop formal methods for working with validity and souneness, but it is also possible to apply the informal notions directly to problems in philosophy and beyond. In either case, it is important to understand the basic notions, in order to understand what is accomplished in reasoning. Exercises are included, with answers to selected exercises at the end.
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  10.  38
    Making Sense of Relevant Semantics (Draft).Tony Roy - unknown
    Involving as it does impossible worlds and the like, the Routley-Meyer worlds semantics for relevant logic has seemed unmotivated to some. I set a version of relevant semantics in a context to make sense of its different elements. Suppose a view which makes room for structured properties — or related entities which combine in arbitrary ways to form structured ones. Then it may seem natural to say entailment supervenes upon the structures, so that P entails Q just when part of (...)
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  11.  27
    Truth as Correspondence.Tony Roy - unknown
    In this short paper, I discuss certain aspects of a “common-sense” approach to truth and falsity. It is my experience that many will object to what I have to say. As you read, if you have objections, try to formulate them carefully, and ask yourself whether I attempt a reply.
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