Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 3 - Logic - 3.3 Truth Tables for Negation, Conjunction and Disjunction - Exercise Set 3.3 - Page 147: 14

Answer

true

Work Step by Step

Let p and q represent the following statements: p: 4 + 6 = 10 q: 5 * 8 = 80 q ∨ ~q A disjunction is false only when both component statements are false. q is false, and ~q is true. Therefore q ∨ ~q is true.
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