Skip to search formSkip to main contentSkip to account menu

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… 
Wikipedia (opens in a new tab)

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Motivated by the fundamental lower bounds questions in proof complexity, we initiate the study of matrix identities as hard… 
2012
2012
s of invited plenary talks ◮ JAN A. BERGSTRA, INGE BETHKE, AND ALBAN PONSE, Decision problems for pushdown threads. Department of… 
Review
2012
Review
2012
Bounded arithmetic has many intimate connections with feasible computational complexity and questions related to the P versus NP… 
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… 
2010
2010
The pigeonhole principle states that there is no one-to-one function from a set of size n to a set of size n − 1. In other words… 
2007
2007
Propositional proof complexity is a well established area of theoretical computer science; it is an area of research intimately… 
2005
2005
The paper considers a commonly used axiomatization of the classical propositional logic and studies how different axiom schemata… 
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… 
Review
1995
Review
1995
It is generally conjectured that there is an exponential separation between Frege and extended Frege systems. This paper reviews…