Last Updated
：2025/11/25
T₁
Adjective
not-comparable
of a topological space
Japanese Meaning
位相空間がT₁の性質を持つとは、任意の二点について、それぞれの点を含むが相手の点を含まない開集合が存在する状態を指す。
Quizzes for review
(of a topological space) Such that, for any two of its points, there exist respective open sets containing each and not the other.
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T₁
Every T₁ space guarantees that singletons are closed, which simplifies many proofs in topology.
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Every T₁ space guarantees that singletons are closed, which simplifies many proofs in topology.
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