出典:Wiktionary
uncountable set (複数形 不可算 sets)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/22 18:19 UTC 版)
In mathematics, an uncountable set is an infinite set that contains too many elements to be countable. The uncountability of a set is closely related to its cardinal number: a set is uncountable if its cardinal number is larger than that of the set of all natural numbers.