state which laws you used to get the expressions on the left into the expressions on the right any and all that apply.

Solve the following problems and submit your answer on BB: 1. Using the laws of logic to prove logical equivalence. a. (pr)(qr)(pq)r b. p(pr)=pr 2. Using the laws of logic to prove tautologies. a. (pq)(pp) (Hints-Show that (pq)(pr)T. b. p(rp) (Hints-Show that p(rp)T.)