The Revision Theory of Truth

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MIT Press, 1993 - Philosophy - 299 pages
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In this rigorous investigation into the logic of truth Anil Gupta and Nuel Belnap explain how the concept of truth works in both ordinary and pathological contexts. The latter include, for instance, contexts that generate Liar Paradox. Their central claim is that truth is a circular concept. In support of this claim they provide a widely applicable theory (the "revision theory") of circular concepts. Under the revision theory, when truth is seen as circular both its ordinary features and its pathological features fall into a simple understandable pattern.

The Revision Theory of Truth is unique in placing truth in the context of a general theory of definitions. This theory makes sense of arbitrary systems of mutually interdependent concepts, of which circular concepts, such as truth, are but a special case.

 

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Contents

The Problem of Truth and Paradox
1
Some Basic Facts
33
2B Definability and Indefinability of Truth
49
2C Coherent Complete Partial Orders
63
2E The Extended Weak Kleene Scheme
80
3C The Signification Thesis
104
A General Theory of Definitions
145
5C Revision Sequences and Their Properties
166
5D The Semantical Systems S and S
182
Truth Categoricalness and Necessity
199
Rich SelfReference
218
6E The Logical Grammar of Necessity
236
Truth and Other Circular Concepts
253
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About the author (1993)

Anil Gupta is Professor of Philosophy at Indiana University.

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