Complexities of proof-theoretical reductions

The present thesis is a contribution to a project that is carried out by Michael Rathjen and Andreas Weiermann to give a general method to study the proof-complexity of Pi_2 sentences. This general method uses the generalised ordinal-analysis that was given by Buchholz, Rueede and Strahm as well as...

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Bibliographic Details
Main Author: Toppel, Michael
Other Authors: Rathjen, Michael
Published: University of Leeds 2016
Subjects:
Online Access:http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.705992