Question

Which one of the following Boolean expressions is a tautology?
(A) (p ∨ q) ∧ (p∨~q) (B) (p ∧ q) ∨ (p∧~q)
(C) (p ∨ q) ∧ (~p∨~q) (D) (p ∨ q) ∨ (p∨~q)

Answer 1

Answer:

hey mate

maybe your answer is..

c) one I'm not that sure but I hope so