Cantor-Bendixson theorem

Noun.  (set theory) A theorem which states that a closed set in a Polish space is the disjoint union of a countable set and a perfect set.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.