Please answer all these questions

MEDGAR EVERS COLLEGE Discrete Structures CS 241-001 Department of Physical and Computer Sciences Medgar Evers College Workshop Lab 4: Sets Proofs Name: Name: Name: Name: Directions: Write or type solutions on a separate paper(s) and attach this paper to the front of your work. Prove each of the following statements by either using set identities or a direct proof. 3. (A - B)n (B-A)- Extra Credit p(A)np(B) p(AnB)