Some observations on the FGH theorem

Taishi Kurahashi

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arXiv · 2110.14872

Some observations on the FGH theorem

Taishi Kurahashi

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Abstract

We investigate the Friedman--Goldfarb--Harrington theorem from two perspectives. Firstly, in the frameworks of classical and modal propositional logics, we study the forms of sentences whose existence is guaranteed by the FGH theorem. Secondly, we prove some variations of the FGH theorem with respect to Rosser provability predicates.

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Taishi Kurahashi. 2021-10-28. Some observations on the FGH theorem. https://arxiv.org/abs/2110.14872

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