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A logical approach to A-Prolog

Osorio, M; Pérez, JAN; Arrazola, J; (2002) A logical approach to A-Prolog. Electronic Notes in Theoretical Computer Science , 67 284 - 295. 10.1016/S1571-0661(04)80554-1. Green open access

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It has been recently provided a characterization of Answer Sets by intuitionistic logic as follows: a literal is entailed by a program in the stable model semantics if and only if it belongs to every intuitionistically complete and consistent extension of the program formed by adding only negated literals. We show that if we replace intuitionistic logic by any si-logic the result still holds.

Title:A logical approach to A-Prolog
Open access status:An open access version is available from UCL Discovery
Publisher version:http://dx.doi.org/10.1016/S1571-0661(04)80554-1
Additional information:This is an Elsevier Open Access article.
Keywords:answer sets; A-prolog; stable semantics
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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