In mathematics, a limit point of a set S in a topological space X is a point x that can be approximated by points of S in the sense that every neighbourhood of x with respect to the topology on X also contains a point of S other than x itself. Note that x does not have to be an element of S. This concept profitably generalizes the notion of a limit and is the underpinning of concepts such as closed set and topological closure. Indeed, a set is closed if and only if it contains all of its limit points, and the topological closure operation can be thought of as an operation that enriches a set by adding its limit points.
Designate
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verb: Give a specified name, position, or status to
adjective: Appointed to an office or position but not yet installed
Designate meaning & definition 1 of Designate.
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Appoint (someone) to a specified office or post.
Designate meaning & definition 2 of Designate.
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to choose someone officially to do a particular job:
Designate meaning & definition 3 of Designate.
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