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In [[math]]ematics, a '''union''' of sets is a [[set]] of elements that belong only 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}.
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}.
[[Category:Mathematics]]
[[Category:Mathematics]]