Thinking Mathematically (6th Edition)

by Blitzer, Robert F.

Published by Pearson

ISBN 10: 0321867327

ISBN 13: 978-0-32186-732-2

Chapter 3 - Logic - 3.4 Truth Tables for the Conditional and the Biconditional - Concept and Vocabulary Check - Page 159: 5

Answer

True

Work Step by Step

Some implications are not tautologies, for example p→q is not a tautology because it can be false, if p is true and q is false.

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