1. ## Equivalent Logic

Show that:
a, and is Equivalent logic.
b, is Equivalent logic.

Thanks so much.

2. Originally Posted by sshh
Show that:
a, and is Equivalent logic.
b, is Equivalent logic.

Thanks so much.
What have you done so far? Did you set up the truth tables necessary to do this problem?

3. Originally Posted by sshh
Show that:
a, and is Equivalent logic.
b, is Equivalent logic.

Thanks so much.
You can use a truthtable or rewrite the iff and use laws.

4. For (a), if p and q have the same truth value, then both expressions are false. If p and q have different truth values, then both expressions are true.

Now try to use similar reasoning for (b) (or draw the truth table as suggested by others)