Question

1/ define power set​

Answer 1

Step-by-step explanation:

In mathematics, the power set of a set S is the set of all subsets of S, including the empty set and S itself. In axiomatic set theory, the existence of the power set of any set is postulated by the axiom of power set. The powerset of S is variously denoted as P, , P, ℙ, ℘, or 2S

Answer 2

Step-by-step explanation:

Tis is the correct answer