Thinking Mathematically (6th Edition)

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

Chapter 3 - Logic - 3.1 Statements, Negations, and Quantified Statements - Concept and Vocabulary Check - Page 119: 8

Answer

Not all A are B.

Work Step by Step

The statement “Some A are not B” can be expressed equivalently as Not all A are B. For eg "Some exercises have answers" can be expressed as "Not all exercise have answers".
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