Answer
Not a valid argument.
Work Step by Step
Not every row where the premises were all true was the conclusion also true therefore its an invalid argument.
Discrete Mathematics with Applications 4th Edition
by Epp, Susanna S.
Published by
Cengage Learning
ISBN 10:
0-49539-132-8
ISBN 13:
978-0-49539-132-6
Chapter 2 - The Logic of Compound Statements - Exercise Set 2.3 - Page 61: 9
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