Union In set theory, the union (denoted by ∪) of a collection of sets is the set of all distinct elements in the collection. It is one of the fundamental operations through which sets can be combined and related to each other. (http://en.wikipedia.org/wiki/Union_(set_theory)). For example, if A = {1, 2, 3, 4, 5, 6, 7} [...]
Blog Post by: mbrimble