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research
On unification of QBF resolution-based calculi
Authors
O Beyersdorff
L Chew
M Janota
Publication date
1 January 2014
Publisher
'Springer Science and Business Media LLC'
Doi
Cite
Abstract
Several calculi for quantified Boolean formulas (QBFs) exist, but relations between them are not yet fully understood. This paper defines a novel calculus, which is resolution-based and enables unification of the principal existing resolution-based QBF calculi, namely Q-resolution, long-distance Q-resolution and the expansion-based calculus Exp+Res. All these calculi play an important role in QBF solving. This paper shows simulation results for the new calculus and some of its variants. Further, we demonstrate how to obtain winning strategies for the universal player from proofs in the calculus. We believe that this new proof system provides an underpinning necessary for formal analysis of modern QBF solvers. © 2014 Springer-Verlag Berlin Heidelberg
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info:doi/10.1007%2F978-3-662-4...
Last time updated on 01/04/2019
White Rose Research Online
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Last time updated on 18/02/2015