Clopen set/Definition

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< Clopen set
Revision as of 11:20, 2 October 2009 by imported>Peter Schmitt (New page: <noinclude>{{Subpages}}</noinclude> In topology, a set with empty boundary which therefore is both '''clo'''sed and '''open'''.)
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Clopen set [r]:

In topology, a set with empty boundary which therefore is both closed and open.