bn:03262004n
Noun Concept
JA
完全正規ハウスドルフ空間  全部分正規ハウスドルフ空間  全部分正規空間  完全正規空間  正規空間
EN
In topology and related branches of mathematics, a normal space is a topological space X that satisfies Axiom T4: every two disjoint closed sets of X have disjoint open neighborhoods. Wikipedia
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