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( A U B )^c = { 7,9,10 }
S = {1,2,3,4,...,10}
A = {1,2,3,4,5}
B = {2,4,8}
dit ⇒(A U B)c
dijwb ⇒
(A U B) = { 1, 2, 3, 4, 5, 6, 8}
(A U B)c = { 7, 9, 10}