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Proving completeness of logic programs with the cut
Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, Faculty of Science & Engineering. Polish Academic Science, Poland.ORCID iD: 0000-0002-4700-7272
2017 (English)In: Formal Aspects of Computing, ISSN 0934-5043, E-ISSN 1433-299X, Vol. 29, no 1, 155-172 p.Article in journal (Refereed) Published
Abstract [en]

Completeness of a logic program means that the program produces all the answers required by its specification. The cut is an important construct of programming language Prolog. It prunes part of the search space, this may result in a loss of completeness. This paper proposes a way of proving completeness of programs with the cut. The semantics of the cut is formalized by describing how SLD-trees are pruned. A sufficient condition for completeness is presented, proved sound, and illustrated by examples.

Place, publisher, year, edition, pages
SPRINGER , 2017. Vol. 29, no 1, 155-172 p.
Keyword [en]
Logic programming; The cut; Operational semantics; Program completeness; Program correctness
National Category
Computer Science
Identifiers
URN: urn:nbn:se:liu:diva-134608DOI: 10.1007/s00165-016-0392-0ISI: 000392128400007OAI: oai:DiVA.org:liu-134608DiVA: diva2:1075997
Available from: 2017-02-21 Created: 2017-02-21 Last updated: 2017-02-21

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CiteExportLink to record
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Citation style
  • apa
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