Talk:Countable set

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	NOTICE, please do not remove from top of page.
	Written on Citizendium by Nick Johnson, Martin Goldstern, Ozan Demirlioglu, Peter Schmitt and some others in 2007-2010; approved on CZ by Boris Tsirelson in 2010.

Slightly changed here. --Boris Tsirelson 07:27, 20 December 2010 (EST)