Maths, Mathematics, Discrete Mathematics, Discrete Maths, Sets.
letters {a,b}. The Venn diagram will be: A = { a, b } The union of two sets A and B is denoted by A∪B. It results in a set containing all of A and B members. For example, suppose A = {1, 2, 3} and B = {2, 3, 4} and then A∪B = {1, 2, 3, 4}. The union of sets is a commutative operation: A∪B = B∪A.