Question

Define a power set give short answer plz

Answer 1

Answer:

In set theory, the power set (or powerset) of a a Set A is defined as the set of all subsets of the Set A including the Set itself and the null or empty set. It is denoted by P(A). Basically, this is the combination of all subsets including null set, of a given set

Answer 2

The power set (or powerset) of any set S is the set of all subsets of S, including the empty set and S itself, variously denoted as P(S), (S), ℘(S) (using the "Weierstrass p"), P(S), ℙ(S), or, identifying the powerset of S with the set of all functions from S to a given set of two elements, 2S.