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Title: Prime implicants of first order formulas via transversal clauses
Authors: Raut, M.K.
Singh, A.
Keywords: Algorithms
Approximation theory
Heuristic methods
First order logic
Prime implicants
Transversal clauses
Knowledge acquisition
Issue Date: 2004
Citation: International Journal of Computer Mathematics, 81(2), 157-167
Abstract: Knowledge compilation techniques are usually applied for prepositional knowledge bases. In this article, an extension of the notion of prime implicants of aknowledge base using first order formulas in Skolem conjunctive normal form is suggested. The method of transversal clauses used earlier for computing prime implicants of a propositional formula in conjuctive normal form is adopted to the first order case via substitutions. Partial correctness of the algorithm is proved. The algorithm is adopted heuristically for computing approximate prime implicants.
ISSN: 207160
Appears in Collections:Articles

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