Gödel's reformulation of Gentzen's first consistency proof for arithmetic: The no-counterexample interpretation

Bulletin of Symbolic Logic 11 (2):225-238 (2005)
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Abstract

The last section of “Lecture at Zilsel’s” [9, §4] contains an interesting but quite condensed discussion of Gentzen’s first version of his consistency proof for P A [8], reformulating it as what has come to be called the no-counterexample interpretation. I will describe Gentzen’s result (in game-theoretic terms), fill in the details (with some corrections) of Godel's reformulation, and discuss the relation between the two proofs.

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William W. Tait
University of Chicago

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References found in this work

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A semantics of evidence for classical arithmetic.Thierry Coquand - 1995 - Journal of Symbolic Logic 60 (1):325-337.
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Functionals defined by transfinite recursion.W. W. Tait - 1965 - Journal of Symbolic Logic 30 (2):155-174.
Godel's unpublished papers on foundations of mathematics.W. W. Tatt - 2001 - Philosophia Mathematica 9 (1):87-126.

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