T_0-Separation Axiom

For any two points , there is an open set such that and or and . A space fulfilling this axiom is called a T₀-space.

See also

Separation Axioms, T₀-Space

This entry contributed by Margherita Barile

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Cite this as:

Weisstein, Eric W., with contributions by Margherita Barile. "T_0-Separation Axiom." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/T0-SeparationAxiom.html

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