Talk:Ordinal analysis

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Mathematics rating:	Start Class	Mid Priority	Field: Foundations, logic, and set theory
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This page would be greatly improved if there were a specific citation for the ordinal of each of the listed theories (e.g. where one can find the proof that I\Sigma_1 is w^w, etc). —Preceding unsigned comment added by 130.226.132.226 (talk) 10:02, 5 April 2008 (UTC)