# Denseness/Related Articles

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*See also changes related to Denseness, or pages that link to Denseness or to this page or whose text contains "Denseness".*

## Parent topics

- Topological space [r]: A mathematical structure (generalizing some aspects of Euclidean space) defined by a family of open sets.
^{[e]} - Closed set [r]: In geometry and topology, a set that contains its boundary; the complement of an open set.
^{[e]} - Closure [r]:
*Add brief definition or description* - Approximation theory [r]: Field of mathematics that studies how to approximate functions by simpler functions and how good this approximation is.
^{[e]} - Weierstrass' theorem [r]:
*Add brief definition or description* - Dense-in-itself set [r]: A set in a topological space with no isolated points, so that all its points are limit points of itself.
^{[e]} - Nowhere dense set [r]: A set in a topological space whose closure has empty interior.
^{[e]}