dand f please

Exercise 1.5.2: Using the laws of logic to prove logical equivalen Use the laws of propositional logic to prove the following: (a) -p -959-p Solution (b) PA(-p ) =p r) 5p (AT) (p9)^( p Solution (d) p (q ) = q (pvr) ) = (PAG) r (e) ( p r)v (q Solution (f) -(pv (P1)-PA- g) (PAGA-) (P4-94-) PA- Solution (h) pe(pa -pvr (PAG) 13 (4-1) -9