set is closed
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Closed set — This article is about the complement of an open set. For a set closed under an operation, see closure (mathematics). For other uses, see Closed (disambiguation). In geometry, topology, and related branches of mathematics, a closed set is a set… … Wikipedia
closed — A set is closed with respect to an operation if the result of applying that operation to a member of the set is itself a member of the set … Philosophy dictionary
closed — [klōzd] adj. 1. not open; shut [a closed door] 2. covered over or enclosed [a closed wagon] 3. functioning independently; self sufficient [a closed economic system] 4. not receptive to new or different ideas [a closed mind] 5 … English World dictionary
closed — S3 [kləuzd US klouzd] adj 1.) not open = ↑shut ≠ ↑open ▪ Make sure all the windows are closed. ▪ She kept her eyes tightly closed. 2.) [not before noun] if a shop, public building etc is closed, it is not open and people cannot enter or use it =… … Dictionary of contemporary English
closed — adj. 1. having an opening obstructed. [Narrower terms: {blind}] Also See: {obstructed}, {sealed}, {shut}, {unopen}, {closed}. Antonym: {open}. [WordNet 1.5] 2. (Math.) of a curve or surface: having no end points or boundary curves; of a set:… … The Collaborative International Dictionary of English
Closed for the Season (film) — Closed for the Season Directed by Jay Woelfel Produced by Jay Ellison Jon D. Wagner … Wikipedia
Closed-form expression — Closed formula redirects here. For closed formula in the sense of a logic formula with no free variables, see Sentence (mathematical logic). In mathematics, an expression is said to be a closed form expression if it can be expressed analytically… … Wikipedia
closed — [ klouzd ] adjective ** ▸ 1 covering passage/hole ▸ 2 not doing business ▸ 3 not allowed to everyone ▸ 4 not considering ideas ▸ 5 with fixed number of something ▸ 6 forming complete circle ▸ + PHRASES 1. ) if a door, window, lid, etc. is closed … Usage of the words and phrases in modern English
Closed — may refer to: Math Closure (mathematics) Closed manifold Closed orbits Closed set Closed differential form Closed map, a function that is closed. Other Cloister, a closed walkway Closed circuit television Closed, an online community at the social … Wikipedia
Closed Chambers — Closed Chambers: The Rise, Fall, and Future of the Modern Supreme Court is a 1998 book by Edward Lazarus, who served as a law clerk for U.S. Supreme Court Justice Harry Blackmun during the October Term 1988. Lazarus combines his reflections as a… … Wikipedia
Closed-circuit television camera — Closed circuit television (CCTV) cameras can produce images or recordings for surveillance purposes, and can be either video cameras, or digital stills cameras. Marie van Brittan Brown was the inventor of the CCTV camera. Different types of Cctv… … Wikipedia
