### Solution of Exercise C,F.

Added on - 18 Oct 2019

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Solution of Exercise C,FC.)Let P, F and A be the Set defined follows :P(set of People) = Alice, Bob, Charles, DianeF(Floors in the buildings) = Ground, One, Two.A (Ages for the workers) = {x 2 N | 16 <x< 70}In ages : Alice is 18, Bob is 40, Charles is 63 and Diane is 30.i.)set of members of the Cartesian product P x FP X F = {(Alice,Ground),(Alice,One),(Alice,Two),(Bob,Ground),(Bob,One),(Bob,Two),(Charles,Ground),( Charles,One),(Charles,Two),(Diane,Ground),(Diane,One),(Diane,Two)}ii.) Write down the relation, which is a subset of P X A, which relates people to age.Subset of P X A = {(Alice,18),(Bob,40),(Charles,63),(Diane,30)}Venn diagramiii.) cardinality of each set:| G | = 5