Overview

The received view of identity takes it to be a binary relation between objects like many others: specifically, identity is thought to be the binary relation every object bears to itself and to no others. As such, it is supposed to play a fundamental role in our conceptual scheme. It is also widely held that Gottlob Frege (1848-1925), after a false start in his Begriffsschrift of 1879, where he proposed that identity is a relation between signs, eventually came round to the now mainstream view, the first paragraph of his celebrated 1892 essay ""On Sense and Reference"" marking the transition. In Frege: Identity Challenges Reflection, Ulrich Pardey and Kai F. Wehmeier show that common wisdom is mistaken on both counts. First, careful exegesis shows that Frege did not repudiate the earlier, sign-based conception of identity in his 1892 essay, but instead defended it; moreover, that conception is in no way refuted by the collection of formal and philosophical objections that have been raised against it in subsequent decades. In particular, the Begriffsschrift theory of identity, far from being incompatible with quantification over objects, in fact affords an elegant, ontologically conservative integration of identity into predicate logic. Second, Pardey and Wehmeier argue that our conceptual scheme is not at all committed to a binary relation that every object bears to itself and only itself. Moreover, the tension between the alleged binarity of the identity relation and the logical impossibility of its ever relating two things, famously pointed out by Wittgenstein in the Tractatus, forms the basis of an argument for the logical incoherence of such a relation.

Full Product Details

Author:   Ulrich Pardey (Ruhr-Universität Bochum) ,  Kai F. Wehmeier (University of California, Irvine)
Publisher:   Oxford University Press
Imprint:   Oxford University Press
Dimensions:   Width: 16.50cm , Height: 2.50cm , Length: 24.30cm
Weight:   0.678kg
ISBN:  

9780198926528

ISBN 10:   0198926529
Pages:   352
Publication Date:   01 May 2025
Audience:   College/higher education ,  Postgraduate, Research & Scholarly
Format:   Hardback
Publisher's Status:   Active
Availability:   To order  
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Table of Contents

Foreword Abbreviations of Works by Frege General Introduction Part I Frege>'s Conception of Identity 0: Preliminary Remarks 1: Identity in CS and in SR 2: Bifurcation in Meaning 3: Arithmetic Equality and Equality of Content 4: Frege>'s Adoption of Leibniz>'s Conception 5: The Structure of the First Paragraph of SR 6: Cognitive Value 7: The Trivial Conception of Self-Identity 8: The Arbitrary Connection 9: A Transition Step 10: The Connection via Mode of Presentation 11: Objections from Translation 12: Conclusion of Part I 13: Appendix: Frege>'s Texts Part II Against Objectual Identity 0: Roadmap 1: Notions of Identity 2: Identity and Quantification 3: Identity and Wittgensteinian Quantifiers 4: The CS Theory of Identity 5: Identity and Arity General Conclusion Bibliography Index

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Author Information

Ulrich Pardey was awarded a doctorate in philosophy from the University of Frankfurt/Main in 1973. He held professional musician positions in Cologne and Dinslaken. He was appointed as Professor of Logic and Philosophy of Language at Ruhr-Universit:at Bochum in 1998, and has been Emeritus Professor since 2012. Kai F. Wehmeier holds a doctorate in mathematical logic from the University of Münster (1996), and a master's degree in philosophy from Ruhr-Universit:at Bochum (1999). He received post-doctoral appointments in M:unster, Leiden, and T:ubingen, and held faculty positions at the University of California, Irvine (2002). He is currently Dean's Professor of Logic and Philosophy of Science and Professor of Language Science at the University of California, Irvine.

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