Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - Chapter Summary, Review, and Test - Review Exercises - Page 109: 18



Work Step by Step

RECALL: A is a subset of B ($A \subseteq B$) if all elements of A are also elements of B. All the elements of the set on the left are also elements of the set on the right. Thus, the left set is a subset of the right set.
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