Answer to Question #310154 in Discrete Mathematics for Kimberley Miller

Question

If t is a tautology and c is contradiction, show that p ∨ t ≡ p and p ∧ c ≡ c?

Answer 1

$p∨ t≡p$

Therefore $p∨ t≡t$ and not $p∨ t≡p$

$p∧c≡ c$