Studies in pure Prolog: termination

Abstract: "We provide a theoretical basis for studying termination of logic programs with the Prolog selection rule. To this end we study the class of left terminating programs. These are logic programs that terminate with the Prolog selection rule for all ground goals. First we show that vario...

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Bibliographic Details
Main Authors: Apt, Krzysztof R. 1949- (Author), Pedreschi, Dino (Author)
Format: Book
Language:English
Published: Amsterdam 1990
Series:Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS 90,48
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Online Access:Volltext
Summary:Abstract: "We provide a theoretical basis for studying termination of logic programs with the Prolog selection rule. To this end we study the class of left terminating programs. These are logic programs that terminate with the Prolog selection rule for all ground goals. First we show that various ways of defining semantics coincide for left terminating programs. Then we offer a characterization of left terminating programs that provides us with a practical method of proving termination. The method is proven to be complete and is illustrated by giving simple proofs of termination of the quicksort, permutation and mergesort programs for the desired class of goals."
Physical Description:25 S.

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