Zorn’s Lemma and Some Applications by Keith Conrad
ID: zorn’s-lemma-and-some-applications-by-keith-conrad
By Keith Conrad.
Online text: kconrad.math.uconn.edu/blurbs/zorn1.pdf
Cited passages: Zorn’s Lemma and Some Applications, §1, p. 4, paragraph on the 1935 introduction to shorten algebraic proofs; Zorn’s Lemma and Some Applications, §4, pp. 18–19, Theorem 4.1 and Corollary 4.2; Zorn’s Lemma and Some Applications, §4, pp. 18–19, chain-union proof of Theorem 4.1 and extension argument of Corollary 4.2.
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