# Boundary point/Definition

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< Boundary point

Revision as of 23:49, 30 September 2009 by Peter Schmitt (Talk | contribs) (New page: <noinclude>{{Subpages}}</noinclude> (of a set) In geometry and topology, a point such that every neighbourhood contains both points in the set and points not in the set.)

(of a set) In geometry and topology, a point such that every neighbourhood contains both points in the set and points not in the set.