Compact  

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
  1. Closely packed, i.e. packing much in a small space.
  2. Having all necessary features fitting neatly into a small space.
  3. (of a set) Closed and bounded.
    A set S of real numbers is called compact if every sequence in S has a subsequence that converges to an element again contained in S.
  4. Such that every exhaustion of it by (overlapping) open balls has the property that some finitely many of those balls will also cover it.




Unless indicated otherwise, the text in this article is either based on Wikipedia article "Compact" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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