Immobilize
发表于 2025-3-28 17:39:09
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CAGE
发表于 2025-3-28 22:30:38
The Abstract Compactness Theorem Revisited,riate versions of Łoś theorem one may prove [., .]-compactness of the infinitary logic .. for a measurable cardinal ., or [., .]-compactness of .(..) where .. is the quantifier “there are at least (2.). ...”. It is natural to ask then if any form of compactness in model theoretic logics is associate
opportune
发表于 2025-3-28 23:01:30
Binary Relations in the Social and Mathematical Sciences,relations appear in the rewrite systems used by anthropologists to study kinship terminologies of primitive societies. They also serve to model the syntactic calculus, a form of categorial grammar once proposed by the author. Moreover, if we introduce an operation . as the complement of the converse
flammable
发表于 2025-3-29 06:37:55
Basic Logic and the Cube of its Extensions,l logic were introduced, with the aim of expressing also at the level of logical propositions some distinctions which hold in a specific scientific context but are ignored by classical logic. The first example arises from intuitionism, which points out the distinction, when dealing with infinity, be
Talkative
发表于 2025-3-29 09:20:13
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anniversary
发表于 2025-3-29 12:14:55
On Predicate Logic as Modal Logic,. and . assignments in the universe ., i.e., elements of .., and . = .. means that for all variables . except possibly .(.) = .(.). A modal perspective on predicate logic starts from the observation that (1) is similar to the clause for diamonds in Kripke semantics:
指派
发表于 2025-3-29 16:20:02
A First-Order Effect and Modal Propositional Formulas,rst-order equivalents on Kripke frames,. see . The main typical means for obtaining such results are the Löwenheim-Skolem theorem and the compactness theorem. However, by the Lindström theorem (Theorem 2.5.4 ) these effects are very strong: both theorems together characterize first-order logic
极端的正确性
发表于 2025-3-29 21:46:39
,Herbrand’s Theorem for a Modal Logic,, a sequence of formulas .., .., ..,..., so that . has a first-order proof if and only if some .. is a tautology. Herbrand’s theorem serves as a constructive alternative to Gödel’s completeness theorem. It provides the theoretical basis for automated theorem proving, reducing a first-order problem t
HEDGE
发表于 2025-3-30 03:38:51
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预兆好
发表于 2025-3-30 05:16:57
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