Question

Verify that P+(PQ)' is a Tautology.​

Answer 1

Answer:

To show (p ∧ q) → (p ∨ q). If (p ∧ q) is true, then both p and q are true, so (p ∨ q) is true, and T→T is true. If (p ∧ q) is false, then (p ∧ q) → (p ∨ q) is true, because false implies anything.