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22Past, Present and Future. By Arthur Prior. Oxford: Clarendon Press, 1967. Pp. x, 217. $6.35Dialogue 6 (4): 618-621. 1968.
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2853D/4D equivalence, the twins paradox and absolute timeAnalysis 63 (2). 2002.The thesis of 3D/4D equivalence states that every three-dimensional description of the world is translatable without remainder into a four-dimensional description, and vice versa. In representing an object in 3D or in 4D terms we are giving alternative descriptions of one and the same thing, and debates over whether the ontology of the physical world is "really" 3D or 4D are pointless. The twins paradox is shown to rest, in relativistic 4D geometry, on a reversed law of triangle inequality. But …Read more
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Review: Atwell R. Turquette, A Method for Constructing Implication Logics (review)Journal of Symbolic Logic 33 (2): 308-309. 1968.
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22A simple decision procedure for one-variable implicational/negation formulae in intuitionist logicNotre Dame Journal of Formal Logic 3 (2): 120-122. 1962.
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26A Study in Wittgenstein's Tractatus. By Alexander Maslow. University of California Press, 1961, pp. xxii, 162 (review)Dialogue 2 (1): 114-115. 1963.
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29Incline Without NecessitatingDialogue 24 (4): 589-. 1985.A stranger runs out of a bank while I am sitting at the wheel of my car waiting for the lights to change; he jumps in beside me, points a gun at me, and says, “Drive me to St. Bruno.” This is Andre Gombay's example, from his excellent paper on duress. The question that interests Gombay and me is: Could I refrain from doing what the gunman asks?
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215Does the Brain Lead the Mind?Philosophy and Phenomenological Research 86 (2): 262-265. 2013.Over the last 25 years, experimental findings published by Benjamin Libet have indicated that conscious acts of will are preceded by a characteristic kind of brain event of which the agent is not conscious. It, Libet says, rather than the will, is what causes actions. His discoveries, if correct, would seem to imply that the notion of a free, conscious will is an illusion, and that actions are initiated by neural processes not under conscious control. In what follows it is argued that Libet’s co…Read more
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29Łukasiewicz Jan. Aristotle's syllogistic from the standpoint of modern formal logic. Second edition of XVII 209. Clarendon Press, Oxford 1957, xiii + 222 pp (review)Journal of Symbolic Logic 27 (2): 217-218. 1962.
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284The definition of enduranceAnalysis 69 (2): 277-280. 2009.David Lewis, following in the tradition of Broad, Quine and Goodman, says that change in an object X consists in X's being temporally extended and having qualitatively different temporal parts. Analogously, change in a spatially extended object such as a road consists in its having different spatial parts . The alternative to this view is that ordinary objects undergo temporal change in virtue of having different intrinsic non-relational properties at different times. They endure, remaining the …Read more
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44Aristotle's modal syllogismsNorth-Holland Pub. Co.. 1963.This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To …Read more
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36Review: Jean-Louis Gardies, La Logique du Temps (review)Journal of Symbolic Logic 42 (3): 430-432. 1977.
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446Objective time flowPhilosophy of Science 43 (3): 337-362. 1976.A theory of temporal passage is put forward which is "objective" in the sense that time flow characterizes the universe independently of the existence of conscious beings. The theory differs from Grunbaum's "mind-dependence" theory, and is designed to avoid Grunbaum's criticisms of an earlier theory of Reichenbach's. The representation of temporal becoming is accomplished by the introduction of indeterministic universe-models; each model representing the universe at a time. The models depict the…Read more
Montréal, Quebec, Canada
Areas of Interest
Metaphysics |
Philosophy of Action |
Logic and Philosophy of Logic |