Open set/Definition

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< Open set
Revision as of 19:11, 30 September 2009 by imported>Peter Schmitt (Unfortunately, the boundary may be empty.)
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https://en.citizendium.org/wiki/index.php?title=Open_set/Definition&printable=yes
A definition or brief description of Open set.

In mathematics, a set that does not contain any of its boundary points.

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