VII. Let A be a set and let X denote the power set of A. Def...
VII. Let A be a set and let X denote the power set of A. Def...
VII. Let A be a set and let X denote the power set of A. Define a relation N on the power set of A by SAT if the
subsets S and T have the same number of elements. Prove that this is an equivalence re...