Question: Derive each of the following using using all available inference rules (but not the equivalences. a. P (R S), M (P T) (P v M)

Derive each of the following using using all available inference rules (but not the equivalences.

a. P (R S), M (P T) (P v M) ((R & P) (~S T)) Hint: Use the rule of Constructive Dilemma

b. ~(P Q) ~P v ~Q

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