Question: Prove the following using deductive tableaux: a. (p (q r)) rightarrow ((p q) (p r)) b. ((A rightarrow B) rightarrow A) rightarrow A Prove the

Prove the following using deductive tableaux: a. (p (q r)) rightarrow ((p q) (p r)) b. ((A rightarrow B) rightarrow A) rightarrow A Prove the following tableaux: T superset (U superset V) T superset U Prove the following using deductive tableaux: a. (p (q r)) rightarrow ((p q) (p r)) b. ((A rightarrow B) rightarrow A) rightarrow A Prove the following tableaux: T superset (U superset V) T superset U

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