Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.2 Subsets - Exercise Set 2.2: 87

Answer

False, If x∊W, then x∊D.

Work Step by Step

If x∊D, then x∊W. The above statement is false. It is not necessary that an element belong to D must also belong to W. So the correct statement is If x∊W, then x∊D.
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.