Cantor set is uncountable

In a metric space—that is, when a distance function is defined—open sets are the sets that, with ...

海詞詞典,最權威的學習詞典,為您提供relatively-open set的在線翻譯,relatively-open set是什麼意思,relatively-open set的真人發音,權威用法...

Being open relative to X means that there is some open set O′ such that O=O′∩X, and equivalently ...

A set M in a topological space is relatively open (relatively closed) with respect to E if and on...