Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.1 Basic Set Concepts - Concept and Vocabulary Check - Page 58: 2

Answer

Empty set. phi.

Work Step by Step

A set that contains no element is also called empty set. It is represent by symbol phi.
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