Time and Existence

Arthur Prior

in Past, Present and Future

Published in print May 1967 | ISBN: 9780198243113
Published online October 2011 | e-ISBN: 9780191680632 | DOI:
Time and Existence

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This chapter covers the following topics: modalized and tensed predicate logic; ancient, medieval, and modern objections to coming to be, being brought into being, and being prevented from being; ampliation; objections to standard modal logic suggested by Myhill, Ramsey, and Chrysippus; Moore on what might not have existed, and on what once did not exist; arguments against some common principles of modal and tense-logic; the modal system Q, its modifications, and its adaptation to tense-logic; tensed predicate logic with now-empty names; tensed ontology; internal and external complexity in systems with free individual variables; the difficulties of doing without non-existents; the admission of past existents but not future ones; and the summary of possible positions.

Keywords: modal logic; being; ampliation; Myhill; Ramsey; Chrysippus; tense-logic

Chapter.  15114 words. 

Subjects: Metaphysics

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