Zorn's lemma

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Etymology[edit]

After Max August Zorn 1906-1993, German-born American mathematician. See German Zorn.

Proper noun[edit]

English Wikipedia has an article on:
Wikipedia

Zorn's lemma

  1. (set theory) A proposition of set theory stating that every partially ordered set, in which every chain (i.e. totally ordered subset) has an upper bound, contains at least one maximal element.
Retrieved from "https://en.wiktionary.org/w/index.php?title=Zorn%27s_lemma&oldid=77974765"