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pro vyhledávání: '"Quantifier expansion"'
Autor:
Chew, Leroy, Clymo, Judith
Publikováno v:
Automated Reasoning
In this paper we show that the QBF proof checking format QRAT (Quantified Resolution Asymmetric Tautologies) by Heule, Biere and Seidl cannot have polynomial time strategy extraction unless P=PSPACE. In our proof, the crucial property that makes stra