Chapter

Logic and Revisability

Graham Priest

in Doubt Truth to be a Liar

Published in print December 2005 | ISBN: 9780199263288
Published online May 2006 | e-ISBN: 9780191603631 | DOI: http://dx.doi.org/10.1093/0199263280.003.0011
 Logic and Revisability

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This chapter argues that logic is a theory, and can be revised as any other scientific theory. The comparison with geometry is helpful in this regard. It also discusses Quine’s views on the matter, particularly the claim that any changing of logic is a changing of subject.

Keywords: logic; change of logic; geometry; inconsistent arithmetics; meaning-variance; Quine

Chapter.  11263 words. 

Subjects: Philosophy of Mathematics and Logic

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