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Prove the following equivalences using the equivalence laws: 1. (pq) = (-p) 2. ((p ^q)->r) = (p-> (q-> r)) 3. (p-> (q-> (r->s))) =s^

Prove the following equivalences using the equivalence laws: 1. (pa) = () 2. ((p ^ q) > r) = (p-> (q -> r))

Prove the following equivalences using the equivalence laws: 1. (pq) = (-p) 2. ((p ^q)->r) = (p-> (q-> r)) 3. (p-> (q-> (r->s))) =s^ ((p ^ q) ^r)) (P

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