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135The Four Phases of PhilosophyThe Monist 83 (1): 68-88. 2000.From the beginning of the nineteenth century to the present day, philosophy in Austria has progressed through four phases. Theparticularities of the first three of these phases have prompted a number of commentators rightly to distinguish a characteristic Austrian, as distinct from German, way of doing philosophy. The main figure of the second phase was Franz Brentano, and his distinctive theory of the four-phase cycle of philosophical development is outlined, and critically compared to other vi…Read more
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130Modes of Extension: Comments on Kit Fine's ‘In Defence of Three-Dimensionalism’Royal Institute of Philosophy Supplement 62 17-21. 2008.The debate between 3- and 4-dimensionalists is one of the most lively and pervasive in current metaphysics. At stake is a glittering prize: the correct metaphysical analysis of material things and other objects commonly thought to persist in time by enduring. Since we count ourselves among such objects the outcome of the debate is of more than merely academic interest to us. Obviously the ramifications of the debate, even of the points raised by Kit Fine, go far beyond what I can discuss here, s…Read more
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305Real wholes, real parts: Mereology without algebraJournal of Philosophy 103 (12): 597-613. 2006.
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50Continuants and OccurrentsAristotelian Society Supplementary Volume 74 59-92. 2000.Commonsense ontology contains both continuants and occurrents, but are continuants necessary? I argue that they are neither occurrents nor easily replaceable by them. The worst problem for continuants is the question in virtue of what a given continuant exists at a given time. For such truthmakers we must have recourse to occurrents, those vital to the continuant at that time. Continuants are, like abstract objects, invariants under equivalences over occurrents. But they are not abstract, and th…Read more
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58Rafał Urbaniak. Leśniewski’s Systems of Logic and Foundations of MathematicsPhilosophia Mathematica. forthcoming.
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12Languages with Variable-Binding Operators: Categorial Syntax and Combinatorial SemanticsPoznan Studies in the Philosophy of the Sciences and the Humanities 89 239. 2006.
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40A Semantics for OntologyDialectica 39 (3): 193-215. 1985.SummaryLeśniewski presented his logical systems in a way which conformed to his nominalism, so the question arises whether Leśniewski's logic can be given a natural formal semantics which, unlike current versions, avoids commitment to abstract entities. Building on hints in Wittgenstein's Tractatus, I develop the idea of a way of meaning which is the basis for what I call combinatorial semantics. I then consider whether this commits us to abstract objects or an intensional metalogic
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21Guillermo E. Rosado Haddock. Against the Current: Selected Philosophical Papers. Frankfurt: Ontos, 2012. ISBN: 9783868381481 . Pp. xii + 456 (review)Philosophia Mathematica 23 (1): 145-148. 2015.
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71A leśniewskian language for the nominalistic theory of substance and accidentTopoi 2 (1): 99-109. 1983.
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55Tractatus Mereologico-Philosophicus?Grazer Philosophische Studien 28 (1): 165-186. 1986.The philosophies of late Brentano and early Wittgenstein can be brought closer in two ways. One way discovers a surprising amount of part-whole theory in the Tractatus if we see states of affairs (not wholly wilfully) as thinglike rather than factlike. This throws up a modal analogue to Chisholm's entia successiva in the form of situations. The other way sees all propositions as truth-functions of existential propositions, supporting Brentano's view that existentials are primary, and incidentall…Read more
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657Plural reference and set theoryIn Barry Smith (ed.), Parts and Moments. Studies in Logic and Formal Ontology, Philosophia Verlag. pp. 199--260. 1982.
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Supernumeration: Vagueness and NumbersIn Richard Dietz & Sebastiano Moruzzi (eds.), Cuts and Clouds: Vaguenesss, its Nature and its Logic, Oxford University Press. 2010.
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25Multivalence and Vagueness: A Reply to CopelandProceedings of the Aristotelian Society 95. 1995.Peter Simons; Multivalence and Vagueness: A Reply to Copeland, Proceedings of the Aristotelian Society, Volume 95, Issue 1, 1 June 1995, Pages 201–210, https://
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46Reasoning on a tight budget: Lesniewski's nominalistic metalogic (review)Erkenntnis 56 (1): 99-122. 2002.
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5Why the negations of false atomic sentences are trueEssays on Armstrong. Acta Philosophica Fennica 84. 2008.
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Lesniewski's Logic and its Relation to Classical and Free LogicIn G. Dorn & P. Weingarten (eds.), Foundations of Logic and Linguistics. Problems and Solutions, Plenum. pp. 369-400. 1985.
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1222Particulars in particular clothing: Three trope theories of substancePhilosophy and Phenomenological Research 54 (3): 553-575. 1994.
Lugano, Ticino, Switzerland