alaj5280 alaj5280 Today at 12:41 AM Mathematics Answered Let x bea finite set. Let ,S be the subset of p(x) defined byS={AinP(x)||A| is odd }.Prove that |S|=|Px/LS|.Prove that if X is afinite set, and S,subex with S≠x, then |S|<|x|.