closed-set

closed set

noun Mathematics.
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.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To closed-set
Collins
World English Dictionary
closed set
 
n
1.  a set that includes all the values obtained by application of a given operation to its members
2.  (in topological space) a set that contains all its own limit points

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature