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The '''closure''' of a set ''A'' is the intersection of all [[closed set]]s containing ''A''. In metric spaces, this can be also defined as the set of all limit points of the set ''A''.
The '''closure''' of a set ''A'' is the intersection of all [[closed set]]s containing ''A''. In [[metric space]]s, this can be also defined as the set of all limit points of the set ''A''.
[[Category:Topology]]
[[Category:Topology]]