Hypothetical reasoning in logic programs:

Abstract: "In order to express incomplete knowledge, extended logic programs have been proposed as logic programs with classical negation as well as negation as failure. This paper concerns how to deal with a broad class of commonsense knowledge by using extended logic programs, and presents th...

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Bibliographic Details
Main Author: Inoue, Katsumi (Author)
Format: Book
Language:English
Published: Tokyo, Japan 1991
Series:Shin-Sedai-Konpyūta-Gijutsu-Kaihatsu-Kikō <Tōkyō>: ICOT technical report 691
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Summary:Abstract: "In order to express incomplete knowledge, extended logic programs have been proposed as logic programs with classical negation as well as negation as failure. This paper concerns how to deal with a broad class of commonsense knowledge by using extended logic programs, and presents the semantics of hypothetical reasoning based on extended logic programs. Like Poole's framework, some clauses are dealt with as assumptions distinct from a theory about the world and are used to augment the theory. This theory formation framework can be used for default reasoning, abduction and inconsistency resolution. We also show a translation of the framework to an extended logic program whose answer sets correspond to consistent belief sets of augmented theories."
Physical Description:46 S.