Mathematics, Math, Programming, Discrete Mathematics.
power set. Let’s try some other examples. Supposed A, B, C are sets. |A| = 2, |B| = 4, |C| = 6 If we took the power set of B, the cardinality would be |P(B)| = 2^n and n = 4 so |P(B)| = 2⁴. Recall that the cardinality of a cartesian product is found by multiplying the number of elements in set A