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» Denotations for Classical Proofs - Preliminary Results
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BSL
2004
100views more  BSL 2004»
13 years 7 months ago
Forcing in proof theory
Paul Cohen's method of forcing, together with Saul Kripke's related semantics for modal and intuitionistic logic, has had profound effects on a number of branches of mat...
Jeremy Avigad
CADE
2008
Springer
14 years 8 months ago
randoCoP: Randomizing the Proof Search Order in the Connection Calculus
Abstract. We present randoCoP, a theorem prover for classical firstorder logic, which integrates randomized search techniques into the connection prover leanCoP 2.0. By randomly re...
Thomas Raths, Jens Otten
JCT
2011
90views more  JCT 2011»
13 years 2 months ago
Extended Bressoud-Wei and Koike skew Schur function identities
Our recent paper [5] provides extensions to two classical determinantal results of Bressoud and Wei, and of Koike. The proofs in that paper were algebraic. The present paper conta...
A. M. Hamel, R. C. King
FOCS
2004
IEEE
13 years 11 months ago
Optimal Inapproximability Results for Max-Cut and Other 2-Variable CSPs?
In this paper we show a reduction from the Unique Games problem to the problem of approximating MAX-CUT to within a factor of GW + , for all > 0; here GW .878567 denotes the a...
Subhash Khot, Guy Kindler, Elchanan Mossel, Ryan O...
JAR
2010
123views more  JAR 2010»
13 years 6 months ago
A Framework for Proof Systems
Meta-logics and type systems based on intuitionistic logic are commonly used for specifying natural deduction proof systems. We shall show here that linear logic can be used as a m...
Vivek Nigam, Dale Miller