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Frege system

In proof complexity, a Frege system is a propositional proof system whose proofs are sequences of formulas derived using a finite set of sound and… 
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
We give a uniform and integral version of the short propositional proofs for the determinant identities demonstrated over GF(2… 
2013
2013
This paper is a contribution to our understanding of the relationship between uniform and nonuniform proof complexity. The latter… 
Review
2012
Review
2012
Complexity in logic comes in many forms. In finite model theory, it is the complexity of describing properties, whereas in proof… 
2011
2011
In dieser Arbeit betrachte ich einige Arbeiten von Paris, Wilky [key-1] und Ajati [key-3, key-4] welche einen Zusammenhang… 
2010
2010
It is known that the minimal number of the steps in a proof of a tautology in a Frege system can be exponentially larger than in… 
2002
2002
  • Eli Ben-Sasson
  • 2002
  • Corpus ID: 5720641
We prove exponential lower bounds on the size of a bounded depth Frege proof of a Tseitin graph-based contradiction, whenever the… 
2002
2002
  • Eli Ben-Sasson
  • 2002
  • Corpus ID: 46286964
We prove exponential lower bounds on the size of a bounded depth Frege proof of a Tseitin graph-based contradiction, whenever the… 
1997
1997
We show that for every prime power pk , quasipolynomiaf size bounded-depth Frege proofs with mod pk counting comectives can be… 
1997
1997
Abstract. We prove that for sufficiently large $n$, there are tautologies of size $O(n)$ that require proofs containing…