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bn:03262004n
Noun Concept
Categories: Separation axioms, Properties of topological spaces
EN
normal space  Complete normality  completely normal  completely normal Hausdorff space  Completely normal regular space
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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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
Spaces, topological spaces characterized by separation of closed sets Wikipedia Disambiguation
A regular space with the additional property that for every disjoint pair of closed sets in that space, there is a disjoint pair of open sets which contain the closed sets, respectively. Wiktionary
IS A
pseudonormal space
HAS KIND
metrizable space
pseudometric space
monotonically normal space
locally normal space
Tietze extension theorem
Wikipedia
EN
normal space
Wikidata
EN
normal space
Wiktionary
EN
normal space
Wikipedia Redirections
EN
Complete normality, completely normal, completely normal Hausdorff space, Completely normal regular space, completely normal space, Completely T4 space, hereditarily normal space, normal Hausdorff space, normal regular space, Normal separation axiom, Normal topological space, Perfectly-normal space, perfectly normal Hausdorff space, Perfectly normal regular space, perfectly normal space, Perfectly T4 space, T4-separation axiom, T4-space, T4 axiom, T4 space, T5 space, T6 space, T₄ space, T₅ space, T₆ space, Vedenissoff's theorem
Wikidata Alias
EN
T4 space

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