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: 9


Ans: {d} ∉ {a,b,c,d,e}

Work Step by Step

In the given set {a,b,c,d,e} d is the element of the set. However {d} is the subset of the set {a,b,c,d,e}, ans {d} doesn't belongs to set {a,b,c,d,e}. Ans: {d} ∉ {a,b,c,d,e}
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