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Logical inference of Horn clauses in Petri net models

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4 Author(s)
Chuang Lin ; State Inf. Center, Inf. Sci. Inst., Beijing, China ; Chaudhury, A. ; Whinston, A.B. ; Marinescu, D.C.

Petri net models for the Horn clause form of propositional logic and of first-order predicate logic are studied. A net model for logical inconsistency check is proposed. Algorithms for computing T-invariants of Petri net models of logical inference systems are investigated. The algorithms are based on the idea of resolution and exploit the presence of one-literal, pure-literal, and splitting clauses to lead to faster computation. Algorithms for computing T-invariants of high-level Petri net (HLPN) models of predicate logic are presented

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Knowledge and Data Engineering, IEEE Transactions on  (Volume:5 ,  Issue: 3 )