Circumscribe
发表于 2025-3-26 21:53:30
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菊花
发表于 2025-3-27 03:38:23
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与野兽博斗者
发表于 2025-3-27 07:03:13
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AV-node
发表于 2025-3-27 10:56:18
Introduction,l and cardinal numbers was the culmination of three decades of research on number “aggregates.” Beginning with his paper on the denumer-ability of infinite sets,. published in 1874, Cantor had built a new theory of the infinite. In this theory a collection of objects, even an infinite collection, is conceived of as a single entity.
征兵
发表于 2025-3-27 13:55:07
Relational Closure and the Rank Function,ally interested in sets that are transitive. While there exist sets that are not transitive every set has a transitive extension. Indeed, every set has a smallest transitive extension which we call its transitive closure.
水獭
发表于 2025-3-27 20:26:15
The Fundamental Operations,s the union of a sequence of sets .., . ∈ On which were so defined that . ∈ ... iff there exists a wff .(.., ..,..., ..) having no free variables other than .., ..,..., .. and there exist ..,...,.. ∈ .. such that . = {.|..|= .(., ..,...,..)}.
Debate
发表于 2025-3-27 22:03:47
978-1-4613-8170-9Springer-Verlag New York Inc. 1982
涂掉
发表于 2025-3-28 04:26:11
Introduction to Axiomatic Set Theory978-1-4613-8168-6Series ISSN 0072-5285 Series E-ISSN 2197-5612
水槽
发表于 2025-3-28 09:39:41
https://doi.org/10.1007/978-1-4613-8168-6Cardinal number; arithmetic; axiom of choice; bridge; class; development; forcing; object; set; set theory; ti
陪审团每个人
发表于 2025-3-28 12:57:58
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