Question

insert Design Layout References Mailings Review View , -112 -A-A- A- AP İ-, l- Liberation Serif COSC 470.001 Assignment 3 (due date: 12/2/2018): This assignment is to assess your understanding of the Logical Agent (Chapter 7 Sections 1, 2, 3, 4, 5). Please read this chapter as it is are very fun to read, and also very essential to understand the concept of logic. Exercise 1: Prove each of the following assertions: ..a is valid if and only if True:-a, b. For any a, Fase a c.a i-ß if and only if the sentence (α -β)isvalid. d. α-ß if and oaly if the scntence (a e. α β if and only if the sentence ( α β)isvalid. ^ β ) is unsatisfiable. Exercise 4: Consider a vocabulary with only three propositions, A. 8, and C. Please Provide the true table for the following sentences?

Answer 1