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Clopen


A subset of a topological space is called clopen if it is both closed and open.


See also

Closed, Open

This entry contributed by Mohammad Sal Moslehian

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Cite this as:

Moslehian, Mohammad Sal. "Clopen." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/Clopen.html

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