Answer
False; 2 is not an odd number
Work Step by Step
Let $n=5$,
$(5-1)\div2=2$
2 is not an odd number
Therefore, the statement is false.
Note: This is just one possible answer. Letting $n=9$ works as well.
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 4 - Elementary Number Theory and Methods of Proof - Exercise Set 4.1 - Page 161: 12
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