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85Things that are right with the traditional square of oppositionLogica Universalis 2 (1): 3-11. 2008.. The truth conditions that Aristotle attributes to the propositions making up the traditional square of opposition have as a consequence that a particular affirmative proposition such as ‘Some A is not B’ is true if there are no Bs. Although a different convention than the modern one, this assumption remained part of centuries of work in logic that was coherent and logically fruitful.
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14Peter of Spain: Summaries of Logic: Text, Translation, Introduction, and Notes (edited book)Oxford University Press. 2013.For nearly four centuries Peter of Spain's influential Summaries of Logic was the basis for teaching logic; few university texts were read by more people. This new translation presents the Latin and English on facing pages, and comes with an extensive introduction, chapter-by-chapter analysis, notes, and a full bibliography.
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75Some problems concerning the logic of grammatical modifiersSynthese 21 (3-4). 1970.This paper consists principally of selections from a much longer work on the semantics of English. It discusses some problems concerning how to represent grammatical modifiers (e.g. slowly in x drives slowly) in a logically perspicuous notation. A proposal of Reichenbach's is given and criticized; then a new theory (apparently discovered independently by myself, Romain Clark, and Richard Montague and Hans Kamp) is given, in which grammatical modifiers are represented by operators added to a firs…Read more
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69Meinongian Semantics GeneralizedGrazer Philosophische Studien 50 (1): 145-161. 1995.It is tempting to think that Meinong overlooked the "specific/nonspecific" distinction. For example, 'I am looking for a grey horse' may either mean that there is a specific horse I am looking for (e.g. one I lost), or just that I am grey-horse-seeking. The former reading, and not the latter, requires for its truth that there be a grey horse. The purpose of this paper is to investigate whether it is defensible to maintain Meinong's theory here: to take nonspecific reading of any verb concerning …Read more
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19Higher-order sensesIn Joseph Almog & Paolo Leonardi (eds.), The philosophy of David Kaplan, Oxford University Press. pp. 45. 2010.
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201Why Frege Should Not Have Said "The Concept Horse is Not a Concept"History of Philosophy Quarterly 3 (4). 1986.Frege held various views about language and its relation to non-linguistic things. These views led him to the paradoxical-sounding conclusion that "the concept horse is NOT a concept." A key assumption that led him to say this is the assumption that phrases beginning with the definite article "the" denote objects, not concepts. In sections I-III this issue is explained. In sections IV-V Frege's theory is articulated, and it is shown that he was incorrect in thinking that this theory led to the c…Read more
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33Articulating Medieval LogicOxford University Press. 2014.Terence Parsons presents a new study of the development and continuing value of medieval logic, which expanded Aristotle's basic principles of logic in important ways. Parsons argues that the resulting system is as rich as contemporary first-order symbolic logic
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25Treatise on Consequences by John BuridanJournal of the History of Philosophy 54 (1): 163-164. 2016.John Buridan was the greatest of the medieval logicians. His massive logical text, the Summulae de Dialectica, has been available in a first rate English translation for well over a decade. Now it is joined by his other major logical work, the Treatise on Consequences. The translation provided here runs about a hundred pages. Chapters 1 and 3 concern consequences involving non-modal propositions, and chapters 2 and 4 concern modals. Buridan is a very clear writer, and Read has provided a transla…Read more
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89Ruth Barcan Marcus and the Barcan FormulaIn Walter Sinnott-Armstrong, Diana Raffman & Nicholas Asher (eds.), Modality, morality, and belief: essays in honor of Ruth Barcan Marcus, Cambridge University Press. pp. 3--11. 1995.
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Areas of Specialization
Logic and Philosophy of Logic |
Medieval and Renaissance Philosophy |
Areas of Interest
Logic and Philosophy of Logic |
Medieval and Renaissance Philosophy |