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ALL meanings of closed set

closed set
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  • noun closed set a set that includes all the values obtained by application of a given operation to its members 3
  • noun closed set (in topological space) a set that contains all its own limit points 3
  • noun Technical meaning of closed set (mathematics)   A set S is closed under an operator * if x*y is in S for all x, y in S. 1
  • noun closed set a set that contains all of its accumulation points, as the set of points on and within a circle; a set having an open set as its complement. 1
  • noun closed set (topology) A set whose complement is open. 0
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