Last Updated：2025/11/23

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(topology) A set whose complement is open.

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closed set

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Source Word

closed set

Noun

(topology) A set whose complement is open.

Japanese Meaning

補集合が開集合である集合。

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Google Translation / DeepL Translation

位相空間において、補集合が開いている集合（閉集合）はすべての極限点を含む。

Sense（1）

(topology) A set whose complement is open.

Coordinate term: open set

Google Translation / DeepL Translation

closed sets

（ plural ）

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