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: 14


The sets are equivalent.

Work Step by Step

RECALL: (1) $A = B$ if and only if the elements of A and B are exactly the same. (2) Sets $A$ and $B$ are equivalent if they have the same number of elements. When written in roster method, the set on the left is $\left\{a, b, c, d, e\right\}$. This set has 5 elements. The set on the right also has 5 elements. The two sets have the same number of elements but the elements themselves are different. Thus, the two sets are equivalent.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.