Quizzes for review
To prove that a function is continuous, it suffices to show that the preimage of every open set in the codomain is open in the topological space.
See correct answer
To prove that a function is continuous, it suffices to show that the preimage of every open set in the codomain is open in the topological 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
topological space
Noun
formal
broadly
Japanese Meaning
位相空間：集合 X と、その上で定められる位相 τ（X の部分集合の集まりで、特定の公理―例えば、X と空集合を含み、任意の合併及び有限個の交わりが位相に含まれる―を満たす）が定める順序対のこと。
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
