Element in or not in a set. Then we call the set 1369The complement of set A with regard to the set U. Sets Set Notation Worksheet With Solutions A Worksheet On Set Notation Belongs To Does Not Belong To Union Set Notation Mathematics Worksheets Sets Math Worksheets are sets union intersection and complement part 1 module 2 set operations venn diagrams set operations math 310 sets work ch 6 math 211 sets practice work answers. . What is the Complement of a Set. Complement of a set intermediate Our mission is to provide a free world-class education to anyone anywhere. We can state that if U is a universal set. N Q n Q n U n Q n U n Q 12 5 7 Complement and Relative Complement The complement of a set is the collection of all elements which are not. For the universal set the complement of that is a null set. So the Universal set contains elements of all the sets and the complement of the universal set is a null set that contai...