Let A, B, and C be sets in a universal set U. We are given n(U) = 44, n(A) = 18, n(B) = 27, n(C) = 22, n(A ∩ B) = 9, n(A ∩ C) = 8, n(B ∩ C) = 12, n(A ∩ B ∩ CC) = 6. Find the following values.
(a) n(AC ∩ B ∩ C) (b) n(A ∩ BC ∩ CC)
What does the notation CC mean ?
Similarly AC, BC ?
