Q3). Use logical equivalences (listed below) to answer the following questions (clearly indicate which law you use in each step). a) Is (p q)

Q3). Use logical equivalences (listed below) to answer the following questions (clearly indicate which law you use in each step). a) Is (¬p ∧ q) logically equivalent to ¬(q → p)? b) Is (p → (q → r)) logically equivalent to (q → (p → r))? c) Is ((p ∨ q) ∧ ¬p) → q a tautology, a contradiction or neither? 

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