Truth and circular definitions
| Abstract | This original and enticing book provides a fresh, unifying perspective on many old and new logico-philosophical conundrums. Its basic thesis is that many concepts central in ordinary and philosophical discourse are inherently circular and thus cannot be fully understood as long as one remains within the confines of a standard theory of definitions. As an alternative, the authors develop a revision theory of definitions, which allows definitions to be circular without this giving rise to contradiction (but, at worst, to “vacuous” uses of definienda). The theory is applied with varying levels of detail to a circular analysis of concepts as diverse as truth, predication, necessity, physical object, etc. The focus is on truth, and hope is expressed that a deeper understanding of the Liar and related paradoxes has been provided: “We have tried to show that once the circularity of truth is recognized, a great deal of its behavior begins to make sense. In particular, from this viewpoint, the existence of the paradoxes seems as natural as the existence of the eclipses” (p. 142). We think that this hope is fully justified, although some problems remain that future research in this field should take into account. | |||||||||
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Jon Barwise (1987). The Liar: An Essay on Truth and Circularity. Oxford University Press.
John F. Fox (1989). What Were Tarski's Truth-Definitions For? History and Philosophy of Logic 10 (2):165-179.
P. D. Welch (2001). On Gupta-Belnap Revision Theories of Truth, Kripkean Fixed Points, and the Next Stable Set. Bulletin of Symbolic Logic 7 (3):345-360.
Claire Horisk (2008). Truth, Meaning, and Circularity. Philosophical Studies 137 (2):269 - 300.
Kai-Uwe Küdhnberger, Benedikt Löwe, Michael Möllerfeld & Philip Welch (2005). Comparing Inductive and Circular Definitions: Parameters, Complexity and Games. Studia Logica 81 (1):79 - 98.
Francesco Orilia (2000). Meaning and Circular Definitions. Journal of Philosophical Logic 29 (2):155-169.
J. A. Burgess (2008). When is Circularity in Definitions Benign? Philosophical Quarterly 58 (231):214–233.
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