Abstract
This paper presents the most influential formalizations of nonmonotonic reasoning: McDermott and Doyle's Nonmonotonic Logic I, Reiter's Default Logic, and McCarthy's Circumscription. Unfortunately all these formalizations are not semidecidable. In consequence implementations of nonmonotonic systems either must give up the idea of theoremhood and replace it by a weaker concept, or the expressive power of the logical language has to be restricted. Examples for both approaches are given.
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Literature
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© 1987 Springer-Verlag Berlin Heidelberg
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Brewka, G. (1987). Nonmonotonic reasoning formalizations and implementations. In: Becker, J.D., Eisele, I. (eds) WOPPLOT 86 Parallel Processing: Logic, Organization, and Technology. WOPPLOT 1986. Lecture Notes in Computer Science, vol 253. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-18022-2_9
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DOI: https://doi.org/10.1007/3-540-18022-2_9
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