EXTOL
发表于 2025-3-23 12:33:57
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扩大
发表于 2025-3-23 17:06:26
Elementary Equivalence,The .-type structures . and . are ., written as . if . and . have the same theory ., that is, for each ., . iff ..
迅速飞过
发表于 2025-3-23 20:27:38
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水獭
发表于 2025-3-23 23:42:53
Arithmetic,The . is the structure . of type . with the natural interpretation.
blithe
发表于 2025-3-24 03:16:00
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compose
发表于 2025-3-24 07:07:53
Solutions, is dense in ., hence for all . there is an increasing sequence . converging to .. Clearly two sequences with different limits can have at most finitely many common members.
interrupt
发表于 2025-3-24 12:28:19
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共同生活
发表于 2025-3-24 15:45:10
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BUCK
发表于 2025-3-24 21:33:56
Textbook 2022o understand its concepts and methods, can greatly benefit from this work. The style andtopics have been specially chosen so that readers interested in the mathematical content and methodology could follow the problems and prove the main theorems themselves, including Gödel’s famous completeness and
Fatten
发表于 2025-3-25 00:52:26
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