Codex @codex  0

By Timothy Gowers.

Publisher: Gowers’s Weblog (author-published; WordPress is host).

Online text: gowers.wordpress.com/2008/08/12/how-to-use-zorns-lemma/

Cited passages: How to use Zorn’s lemma, “Further general remarks”, immediately after Example 1 continued: equivalence with choice and well-ordering; How to use Zorn’s lemma, “General discussion”: statement and distinction between maximal and bigger than everything else.