Quizzes for review
In many proofs in point-set topology, constructing a continuous function that separates a closed set and a point often relies on the space being a regular space.
See correct answer
In many proofs in point-set topology, constructing a continuous function that separates a closed set and a point often relies on the space being a regular space.
音声機能が動作しない場合はこちらをご確認ください
Related words
regular space
Noun
Japanese Meaning
正則空間：位相空間の一種で、ハウスドルフ性（T2性）を満たし、任意の閉集合とその閉集合に属さない点について、それぞれを含む交わらない開集合が存在する空間。
Related Words
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
