
 Closed set : Closed subset (Site not responding. Last check: 20071006) 
  Note that thisn'tion depends on the concept of "outside", the surrounding space with respect to which the complement is taken. 
  For instance, the unit interval [0,1] is closed in the real numbers, and the set [0,1] ∩ Q of rational numbers between 0 and 1 (inclusive) is closed in the space of rational numbers, but [0,1] ∩ Q isn't closed in the real numbers. 
  Am I not mirrored in those eyes of while she is dressed in the glories of leaf and flower, and draw the the poverty of winter?'. 
 www.termsdefined.net /cl/closedsubset.html (718 words) 
