Answer
(b), (c), (e), (f)
Work Step by Step
Some ways to express the $\exists$ symbol are: there exists, there exist, there exists at least one, for some, for at least one, we can find a.
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 3 - The Logic of Quantified Statements - Exercise Set 3.1 - Page 107: 14
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