closure property
1Closure (mathematics) — For other uses, see Closure (disambiguation). In mathematics, a set is said to be closed under some operation if performance of that operation on members of the set always produces a unique member of the same set. For example, the real numbers… …
2closure — closure, social closure Identified in the writings of Max Weber , and more recently resurrected by the British sociologist Frank Parkin, the concept emerged as an alternative to Marxist theories of inequality and of how the latter is generated,… …
3Closure with a twist — is a property of subsets of an algebraic structure. A subset Y of an algebraic structure X is said to exhibit closure with a twist if for every two elements there exists an automorphism ϕ of X and an element such that …
4Closure — may refer to: Closure (container) used to seal a bottle, jug, jar, can, or other container Closure (wine bottle), a stopper Closure (business), the process by which an organization ceases operations Closure (philosophy), a principle in… …
5Closure — Clo sure (kl[=o] zh[ u]r; 135), n. [Of. closure, L. clausura, fr. clauedere to shut. See {Close}, v. t.] 1. The act of shutting; a closing; as, the closure of a chink. [1913 Webster] 2. That which closes or shuts; that by which separate parts are …
6closure — [klō′zhər] n. [OFr < L clausura, a closing < pp. of claudere, to CLOSE2] 1. a closing or being closed 2. a finish; end; conclusion 3. the feeling that one s prolonged state of emotional distress over some traumatic experience or situation… …
7Closure operator — In mathematics, a closure operator on a set S is a function cl: P(S) → P(S) from the power set of S to itself which satisfies the following conditions for all sets X,Y ⊆ S. X ⊆ cl(X) (cl is extensive) X ⊆ Y implies cl(X) ⊆ cl(Y)   (cl… …
8Closure (topology) — For other uses, see Closure (disambiguation). In mathematics, the closure of a subset S in a topological space consists of all points in S plus the limit points of S. Intuitively, these are all the points that are near S. A point which is in the… …
9Closure phase — The closure phase is an observable quantity in imaging astronomical interferometry, which allowed the use of interferometry with very long baselines. It forms the basis of the self calibration approach to interferometric imaging. The observable… …
10closure — noun Etymology: Middle English, from Anglo French, from Latin clausura, from clausus, past participle of claudere to close more at close Date: 14th century 1. archaic means of enclosing ; enclosure 2. an act of closing ; the …
