A note on strong normalization in classical natural deduction

In the context of natural deduction for propositional classical logic, with classicality given by the inference rule reductio ad absurdum, we investigate the De Morgan translation of disjunction in terms of negation and conjunction. Once the translation is extended to proofs, it obtains a reduction...

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Bibliographic Details
Main Author: José Espírito Santo
Format: Article
Language:English
Published: Open Publishing Association 2016-06-01
Series:Electronic Proceedings in Theoretical Computer Science
Online Access:http://arxiv.org/pdf/1606.06387v1