proofs involving power sets and universal quantifiers

Question

Im having trouble solving with a proof problem "A is not equal to the Null class then the intersection of class A is a set" and help on proofing this?

score 1 · Answer 1 · answered Oct 06 '13 at 16:15

1

Hint: $$\bigcap A\subseteq\bigcup A$$

answered Oct 06 '13 at 16:15

Cameron Buie

102,994

proofs involving power sets and universal quantifiers

1 Answers1