Closed set/Definition

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< Closed set
Revision as of 18:23, 30 September 2009 by imported>Peter Schmitt (this was not necessary: boundary works for closed)
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https://en.citizendium.org/wiki/index.php?title=Closed_set/Definition&printable=yes
A definition or brief description of Closed set.

In geometry and topology, a set that contains its boundary; the complement of an open set.

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