Dual weak pigeonhole principle, pseudo-surjective functions, and provability of circuit lower bounds

Journal of Symbolic Logic 69 (1):265-286 (2004)
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Abstract

This article is a continuation of our search for tautologies that are hard even for strong propositional proof systems like EF, cf. [Kra-wphp,Kra-tau]. The particular tautologies we study, the τ-formulas, are obtained from any

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References found in this work

On theories of bounded arithmetic for NC 1.Emil Jeřábek - 2011 - Annals of Pure and Applied Logic 162 (4):322-340.
Tautologies from pseudo-random generators.Jan Krajíček - 2001 - Bulletin of Symbolic Logic 7 (2):197-212.

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