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situation semantics : ウィキペディア英語版 | situation semantics Situation semantics, pioneered by Jon Barwise and John Perry in the early 1980s,〔Jon Barwise and John Perry, ''Situations and Attitudes'', 1983. MIT Press, ISBN 0-262-02189-7〕 attempts to provide a solid theoretical foundation for reasoning about common-sense and real world situations, typically in the context of theoretical linguistics, philosophy, or applied natural language processing, ==Barwise and Perry==
Situations, unlike worlds, are not complete in the sense that every proposition or its negation holds in a world. According to ''Situations and Attitudes'', meaning is a relation between a discourse situation, a connective situation and a described situation. The original theory of ''Situations and Attitudes'' soon ran into foundational difficulties. A reformulation based on Peter Aczel's non-well-founded set theory〔Barwise, Jon. 1989. ''The Situation in Logic.'' CSLI Lecture Notes 17. Center for the Study of Language (CSLI)〕 was proposed by Barwise before this approach to the subject petered out in the early 1990s.
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