出典:Wiktionary
出典:『Wiktionary』 (2025/04/06 03:49 UTC 版)
uncountable set (plural uncountable 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.