Cantor-Bendixson theorem
Any closed subset of the reals can be written as a disjoint union
where is countable and is a perfect set
(hence this theorem is also known as the CUP theorem).
单词 | CantorBendixsonTheorem | |||
释义 | Cantor-Bendixson theoremAny closed subset of the reals can be written as a disjoint union where is countable |
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