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  Perfect Model Semantics for Logic Programs with Equality

Bachmair, L., & Ganzinger, H. (1991). Perfect Model Semantics for Logic Programs with Equality. In Logic Programming (pp. 645-659). Cambridge, Mass.: MIT Press.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0023-CED2-7 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0023-CED3-5
Genre: Konferenzbeitrag

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Urheber

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 Urheber:
Bachmair, Leo1, Autor           
Ganzinger, Harald1, Autor           
Affiliations:
1External Organizations, ou_persistent22              

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Schlagwörter: -
 Zusammenfassung: We develop a perfect model semantics for logic programs with negation and equality. Our approach is based on ordered rewriting, a fundamental technique used in equational programming. A logic program in our sense is a set of first-order clauses with equality together with a well-founded ordering on terms and atoms. We show that any consistent logic program has a unique perfect model, provided the ordering is total on ground expressions. The key to this result is a notion of saturation of a set of formulas (under certain inference rules) together with a related concept of redundancy. Our techniques can be applied to Prolog-programs (without equality), in which case a class of programs can be characterized via the notion of stratification up to redundancy for which unique perfect models exist. This extends previous results on (local and weak) stratification.

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Sprache(n): eng - English
 Datum: 1991
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: BibTex Citekey: BachmairGanzinger-91-iclp
 Art des Abschluß: -

Veranstaltung

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Titel: Eigth International Conference on Logic Programming
Veranstaltungsort: Paris
Start-/Enddatum: 1991-07-24 - 1991-07-28

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Titel: Logic Programming
  Untertitel : proceedings of the eighth International Conference [on Logic Programming, held in Paris, France, June 24 - 28, 1991]
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Cambridge, Mass. : MIT Press
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 645 - 659 Identifikator: ISBN: 0-262-56058-5