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: 4

Answer

natural numbers or positive numbers

Work Step by Step

The set 1,2,3,.... is also called set of natural numbers or positive numbers.
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