Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 3 - The Logic of Quantified Statements - Exercise Set 3.4 - Page 143: 26

Answer

Valid. Let P represent the set of polynomial functions. Let D represent the set of differentiable functions. Let C represent the set of continuous functions. The major the minor premises are diagrammed. There is only one way to compose the premises which is also diagrammed.
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Work Step by Step

Given true premises, the conclusion must be true. There is no way for true premises to result in a false conclusion. Hence the argument is valid.
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