Question

I need to get my homework done quick so i'm willing to give lots of points to the people with proper answers please.

Answer 1

Answer:

a) No it doesn't.

Example

P = 2 || Q = 3

2+3 = 5

3 + 2 = 5

b) Yes it does.

Example

P = 2 || Q = 3

2 - 3 = -1

3 - 2 = 1

(they give different answers)