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2003 | OriginalPaper | Buchkapitel

Loop Formulas for Disjunctive Logic Programs

verfasst von : Joohyung Lee, Vladimir Lifschitz

Erschienen in: Logic Programming

Verlag: Springer Berlin Heidelberg

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We extend Clark’s definition of a completed program and the definition of a loop formula due to Lin and Zhao to disjunctive logic programs. Our main result, generalizing the Lin/Zhao theorem, shows that answer sets for a disjunctive program can be characterized as the models of its completion that satisfy the loop formulas. The concept of a tight program and Fages’ theorem are extended to disjunctive programs as well.

Metadaten
Titel
Loop Formulas for Disjunctive Logic Programs
verfasst von
Joohyung Lee
Vladimir Lifschitz
Copyright-Jahr
2003
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-540-24599-5_31

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