How Big Can $B$ Be?
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Complements
A, B and C are subsets of the universal set E with 28 elements, and
n(A') n(B), n(B') n(C'), n(A) n(C).
At most how many elements can the set B have?
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Complements
A, B and C are subsets of the universal set E with 28 elements, and
n(A') n(B), n(B') n(C'), n(A) n(C).
At most how many elements can the set B have?