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The axiom of power set, relations, the schema of replacement
The home stretch of Jech ch. 1
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The schema of separation, classes, Russell's paradox
Ch. 1 of Jech takes us further into the weeds of ZF
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The Zermelo-Fraenkel axioms, extensionality, and pairing
Let's begin ch. 1 of Thomas Jech's Set Theory
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Hello world!
Who runs this site and why?
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