Could you do questions 19. a), b), and c). There are two pictures but the problem goes together. 19. Prove the following by quoting the parts of Theorem 6: (a) If A'UB = U, then A nB' = ! (b) If A UB...

Could you do questions 19. a), b), and c).

There are two pictures but the problem goes together.

Extracted text: 19. Prove the following by quoting the parts of Theorem 6: (a) If A'UB = U, then A nB' = ! (b) If A UB = B, then A U (B nA') = B.


Extracted text: Sndepl 3.4 Boolean Alg A, then B n (B nA') (c) If A nB A.