Introduction to Ordinal Analysis

Published: Nov. 17, 2021, 3 a.m.

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Ordinal analysis is an important branch of proof theory, which seeks to compare, quantitatively, the strengths of different proof systems.\\xa0 The quantities in question are ordinals, which extend the ordering character of natural numbers into the infinite.\\xa0 In this episode, I discuss these ideas a bit further, and also review a little the ordinals up to epsilon 0.

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