Question

If U is the universal set, and S is any subset of U.

(S')' =

Answer 1

Answer:

U

Step-by-step explanation:

let

U={1,2,3,4}

and s

S is its subset so

S={1,2}

now find

(S')'=?

S'={1,2,3,4}-{1,2}

={ }

now

(S')'={1,2,3,4} - { }

={1,2,3,4}

So

(S')' is equal to U

hence proved