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ICALP
2007
Springer
14 years 2 months ago
Complexity of Propositional Proofs Under a Promise
Abstract. We study – within the framework of propositional proof complexity – the problem of certifying unsatisfiability of CNF formulas under the promise that any satisfiabl...
Nachum Dershowitz, Iddo Tzameret
LICS
2006
IEEE
14 years 2 months ago
Obsessional Cliques: A Semantic Characterization of Bounded Time Complexity
We give a semantic characterization of bounded complexity proofs. We introduce the notion of obsessional clique in the relational model of linear logic and show that restricting t...
Olivier Laurent, Lorenzo Tortora de Falco
LATA
2009
Springer
14 years 3 months ago
Nondeterministic Instance Complexity and Proof Systems with Advice
Abstract. Motivated by strong Karp-Lipton collapse results in bounded arithmetic, Cook and Kraj´ıˇcek [7] have recently introduced the notion of propositional proof systems with...
Olaf Beyersdorff, Johannes Köbler, Sebastian ...
JOLLI
1998
78views more  JOLLI 1998»
13 years 8 months ago
Proof Nets and the Complexity of Processing Center Embedded Constructions
This paper shows how proof nets can be used to formalize the notion of “incomplete dependency” used in psycholinguistic theories of the unacceptability of center-embedded const...
Mark Johnson
CSL
2007
Springer
14 years 2 months ago
Proofs, Programs and Abstract Complexity
Programs and Abstract Complexity A. Beckmann University of Wales Swansea Swansea, UK Axiom systems are ubiquitous in mathematical logic, one famous and well studied example being ...
Arnold Beckmann