CONTOH : S = { 1, 2, 3, ... , 15 } P = { 2, 3, 5, 7 } Q = { 1, 3, 5, 7, 9, 11 } DIAGRAM VENN S 6 Q 12 15 P 11 2 3 10 1 5 7 9 13 4 14 8