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.
Lek
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/lek/ - v. 1)a) (often foll. by bra, this guy, etc.) colloq. use ones sight; turn ones eyes in some direction. b) turn ones eyes on; examine. c) look at
Lek meaning & definition 1 of Lek.
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Biological:A territory where males (esp birds) show off their plumage and strut their stuff in the mating season; Human:a territory (especially an outdoor one) where groups of young people hang out for this purpose, eg local shopping mall, Brighton seafront etc.
Also verb to lek, ie to attend such see-and-be-seen gatheringLek meaning & definition 2 of Lek.
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Noun/Verb: The bastard son of the three-way parenthood of lol, lel, and kek, used when the previous expressions simply arent edgy enough.
N(That was a pretty loud lek, fam.)
V(Timothys dank 4chan meme caused Daniel to lek uncontrollably.)Lek meaning & definition 3 of Lek.
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