Difference between revisions of "Disjoint"
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| − | Two sets A and B are said to be '''disjoint''' if their [[Intersect|intersection]] is the [[empty set]]. The empty set is disjoint from every set. | + | Two sets A and B are said to be '''disjoint''' if their [[Intersect|intersection]] is the [[empty set]]. The empty set is disjoint from every set. The union of disjoint sets is always a superset of each of the original sets (as long as the sets are finite). |
[[Category:Mathematics]] | [[Category:Mathematics]] | ||
Revision as of 06:26, February 23, 2008
Two sets A and B are said to be disjoint if their intersection is the empty set. The empty set is disjoint from every set. The union of disjoint sets is always a superset of each of the original sets (as long as the sets are finite).