Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.3 Venn Diagrams and Set Operations - Exercise Set 2.3: 147

Answer

A complement of a set $A$ is a set containing all elements of the universal set that aren't elements of $A$.

Work Step by Step

A complement of a set $A$ is a set containing all elements of the universal set that aren't elements of $A$. This makes the following true: $A\cup A'=U$ $A\cap A'=\emptyset$
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