A set is a well-defined collection of objects., True, False, The notation A = 1,2,3 is the correct way to write a set., True, False, The set {0} is an empty set., True, False, If A = {1,2} and B = {2,3}, then A ∪ B = {1,2,3}., True, False, If A = {2,4,6}, then 5 ∈ A., True, False, If A ⊂ B, then every element of A is in B., True, False, The set {a, e, i, o, u} has 5 elements., True, False, The complement of a set includes elements inside the set., True, False, Order of elements matters in a set., True, False, The universal set contains all elements under discussion., True, False.

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