Answer
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}
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
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
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