will give like if right

Problem 1.4 Write the truth table for the proposition: (p V (~pVg))A ~ (qA~r). Problem 1.5 Let t be a tautology. Show that pvt Et. Problem 1.6 Let e be a contradiction. Show that p V cep. Problem 1.7 Show that (r V p) ^[(~r V (p^q)) ^ (r Vq)) = p^g