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T_0-Separation Axiom


For any two points x,y in X, there is an open set U such that x in U and y not in U or y in U and x not in U. 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:

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

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