0 votes 0 votes Show that each of these conditional statements is a tautology by using truth tables. a) [¬p ∧ (p ∨ q)] → q b) [(p → q) ∧ (q → r)] → (p → r) c) [p ∧ (p → q)] → q d) [(p ∨ q) ∧ (p → r) ∧ (q → r)] → r Mathematical Logic kenneth-rosen discrete-mathematics propositional-logic + – pavan singh asked Jan 21, 2023 pavan singh 528 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.