箴言 发表于 2025-3-26 22:25:48

https://doi.org/10.1007/978-1-4614-0317-3, the star-free expressions coincide with first-order logic. Finally, we show that a concatenation hierarchy inside the expressions corresponds to the quantifier prefix hierarchy for first-order logic, generalizing a result of Thomas.

毕业典礼 发表于 2025-3-27 04:52:40

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connoisseur 发表于 2025-3-27 08:26:41

Tightening the Exchange Rates Between Automatae upper and the lower bound is exponential or even larger. The article surveys several such frustrating cases, studies features that they share, and describes recent efforts (with partial success) to close the gaps.

物种起源 发表于 2025-3-27 11:17:39

Forest Expressions, the star-free expressions coincide with first-order logic. Finally, we show that a concatenation hierarchy inside the expressions corresponds to the quantifier prefix hierarchy for first-order logic, generalizing a result of Thomas.

Nibble 发表于 2025-3-27 16:37:32

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OUTRE 发表于 2025-3-27 19:10:00

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Interim 发表于 2025-3-28 01:35:46

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愚笨 发表于 2025-3-28 05:34:02

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TOM 发表于 2025-3-28 09:16:47

,Extensions to the Period 2002–2004, of the constraint language. We obtain new algorithmic results and give very concise proofs of previously known theorems. Our results concern well-known and heavily studied formalisms such as the point algebra and its extensions, Allen’s interval algebra, and the spatial reasoning language RCC-5.

stroke 发表于 2025-3-28 12:22:56

Proofs, Programs and Abstract Complexity famous consistency proof of arithmetic using transfinite induction up to (a notation of) Cantor’s ordinal .., can be viewed as the first computation of the proof theoretic ordinal of Peano Arithmetic.
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查看完整版本: Titlebook: Computer Science Logic; 21 International Wor Jacques Duparc,Thomas A. Henzinger Conference proceedings 2007 Springer-Verlag Berlin Heidelbe