Question: 2. (20 points) Using logical equivanence relations, identify the type of each sentence below (i.e.. tautology, contradiction, or contingency). Do not use truth table. (a)

2. (20 points) Using logical equivanence relations, identify the type of each sentence below (i.e.. tautology, contradiction, or contingency). Do not use truth table. (a) (10 points) (pVg)^(-p Vr) (VT) (b) (10 points) (p ^ (p9) g) (4-p)

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