bypass
发表于 2025-3-26 23:01:25
978-3-642-08078-4Springer-Verlag Berlin Heidelberg 1989
Ingratiate
发表于 2025-3-27 02:36:59
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违抗
发表于 2025-3-27 08:46:22
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赏心悦目
发表于 2025-3-27 12:02:42
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diskitis
发表于 2025-3-27 16:26:09
https://doi.org/10.1007/978-3-322-84159-9soning do not come under the realm of first order logic. These deficiencies have been the motivation for non classical logics (for instance modal logics and relevance logic ). In particular, nonmonotonic logics were introduced after i
愤怒事实
发表于 2025-3-27 21:19:53
https://doi.org/10.1007/978-3-322-84159-9s some kind of nonmonotonic inference rules called defaults. Returning to Example 4.2.1, we know that, given any bird, a good policy is to believe that the bird is able to fly until a proof to the contrary, if any, can be established. Such common sense knowledge can be expressed by the default . whi
MAG
发表于 2025-3-28 00:53:31
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水獭
发表于 2025-3-28 02:33:17
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繁重
发表于 2025-3-28 07:07:00
https://doi.org/10.1007/978-3-322-84159-9 this name for the whole logic. They have attacked from various angles the way extensions are defined in default logic; one of them, Łukaszewicz , building on his diagnosis of the reason why extensions sometimes do not exist, has proposed an alternative view of the notion of extensions, one b
insecticide
发表于 2025-3-28 13:01:27
https://doi.org/10.1007/978-3-322-84159-9s that the world to be modelled can only be partially represented. The description of all propositions that are not true in the world to be modelled, which corresponds to an enormous collection of information, is highly problematic. An attractive solution is to make such knowledge implicit, by virtu