Question

(i) A' U B = U= ACB. Implies that A is the subset of B​

Answer 1

Answer:

If every element is in A' U B then A is a subset of

B. Proof. Assume that every element is in A' U B

and A is not a subset of B. If x is in A, then it is

not in A' U B.

I hope it help you.