Question: For primitive statements p, q, (a) Verify that p [q (p q)] is a tautology. (b) Verify that (p q)

For primitive statements p, q,
(a) Verify that p → [q → (p ∧ q)] is a tautology.
(b) Verify that (p ∨ q) → [q → q] is a tautology by using the result from part (a) along with the substitution rules and the laws of logic.
(c) Is (p ∨ q) → [q → (p ∧ q)] a tautology?

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