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OverviewThe notions of necessity and possibility, as well as the notion of a possible world, are ubiquitous in philosophy. Nevertheless, these notions remain controversial. It also remains controversial whether metaphysics requires notions drawing distinctions which are finer than those which can be drawn in terms of necessity and possibility, such as the recently much-discussed notion of grounding. In order to make progress on these debates, this book develops a general framework for theorizing about such intensional notions using the tools of higher-order logic. The Foundations of Modality begins by motivating the use of higher-order logic, and introduces a particularly simple form of higher-order logic. Progress is made on well-trodden territory concerning modality and possible worlds by considering first the question how fine propositions are individuated. Peter Fritz uses both logical results and philosophical arguments to motivate a relatively coarse-grained individuation of propositions. Fritz shows that a number of putative metaphysical notions are ruled out by this theory of individuation. Furthermore, the theory allows the controversial notion of (metaphysical) necessity to be delineated as the broadest necessity, which applies just to the single tautologous proposition. This book also vindicates appeals to possible worlds: First, it shows that if anything plays the theoretical role of possible worlds, then certain propositions do so. Second, it argues that there are in fact the required propositions playing the role of possible worlds; this is shown using the notion of plural quantification over propositions in higher-order logic. Full Product DetailsAuthor: Peter Fritz (Professor of Philosophy, Professor of Philosophy, Australian Catholic University and University of Oslo)Publisher: Oxford University Press Imprint: Oxford University Press Dimensions: Width: 14.70cm , Height: 1.80cm , Length: 14.50cm Weight: 0.404kg ISBN: 9780192870025ISBN 10: 0192870025 Pages: 224 Publication Date: 02 November 2023 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: To order  Stock availability from the supplier is unknown. We will order it for you and ship this item to you once it is received by us. Table of ContentsReviewsAuthor InformationPeter Fritz is Professor of Philosophy at the Dianoia Institute of Philosophy at the Australian Catholic University, and at the Department of Philosophy, Classics, History of Art and Ideas at the University of Oslo. He studied philosophy and logic at the Universities of Konstanz, Amsterdam, and Oxford, and works on logic, metaphysics, and the philosophy of language. Tab Content 6Author Website:Countries AvailableAll regions |
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