Difference between revisions of "Union (mathematics)"

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In [[math]]ematics, a '''union''' of sets is a [[set]] of elements that belong only to the sets. It is denoted A ∪ B and is formally defined as A ∪ B = {x|xϵA OR xϵB}.
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In [[math]]ematics, a '''union''' of sets is a [[set]] of elements that belong to at least one of the sets. The union of sets A and B is denoted A ∪ B and is formally defined as A ∪ B = {x|xϵA OR xϵB}.
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[[Category:Mathematics]]

Latest revision as of 16:18, May 28, 2011

In mathematics, a union of sets is a set of elements that belong to at least one of the sets. The union of sets A and B is denoted A ∪ B and is formally defined as A ∪ B = {x|xϵA OR xϵB}.