信徒 发表于 2025-3-25 07:15:42
Syntax of First-Order LanguagesIn this chapter we introduce the first-order languages. They obey simple, clear formation rules. In later chapters we shall discuss whether, and to what extent, all mathematical propositions can be formalized in such languages.骚动 发表于 2025-3-25 10:13:18
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http://reply.papertrans.cn/63/6263/626206/626206_23.pngOssification 发表于 2025-3-25 16:21:47
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Lindström’s TheoremsIn this final chapter we present some results, due to Lindström , which we have already mentioned several times. They show that first-order logic occupies a unique place among logical systems. Indeed, we shall prove:critique 发表于 2025-3-26 01:07:48
http://reply.papertrans.cn/63/6263/626206/626206_26.png清楚说话 发表于 2025-3-26 07:10:40
http://reply.papertrans.cn/63/6263/626206/626206_27.png绝缘 发表于 2025-3-26 09:52:21
http://reply.papertrans.cn/63/6263/626206/626206_28.png本土 发表于 2025-3-26 15:42:34
https://doi.org/10.1007/978-1-4757-2355-7Arithmetic; Equivalence; Logic; Mathematische Logik; compactness theorem; mathematical logic; model theory抚慰 发表于 2025-3-26 18:14:56
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