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completely normal∗
2013-03-21 13:17:41
Let X be a topological space. X is said to be completely normal if whenever
A, B ⊆ X with A ∩ B = A ∩ B = ∅, then there are disjoint open sets U and V
such that A ⊆ U and B ⊆ V .
Equivalently, a topological space X is completely normal if and only if every
subspace is normal.
∗ hCompletelyNormali created: h2013-03-21i by: hMathprofi version: h31606i Privacy
setting: h1i hDefinitioni h54-00i
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