To get full credit must show work and include interim steps as discussed in class.

Example prove by method of exhaustion (Truth Table) that A + A = 1

A	A	A+A	1
0	1	1	1
1	0	1	1

1. (3 pts) Prove by method of exhaustion (Truth Table) that AB = (A + B)

2. (3 pts) Prove by method of exhaustion (Truth Table) that AB + BC + AC = AB + AC

3. (3 pts) Prove by method of exhaustion (Truth Table) that A(A + BC) = A

4. (3 pts) Prove by method of exhaustion (Truth Table) that A(B + C) = AB + AC

5. (3 pts) Prove by method of exhaustion (Truth Table) that AB + AB + AB = A + B