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Tag: Reverse mathematics

From cut elimination to reverse mathematics

Posted on June 3, 2020June 3, 2020 by Anton Freund

This post explains how methods from ordinal analysis can be used to prove results in reverse mathematics. It may be surprising that this is possible, given that the traditional aims of the two areas are somewhat different: reverse mathematics proves implications between different statements about infinite sets, while ordinal analysis eliminates the infinite from proofs…

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