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 - Exercise Set 3.1 - Page 121: 71

Answer

" All A are B" states that there are no A that are not B. So, if we can somehow say that if some A are not B, then it becomes the negation of the statement, So, the negation of the above statement is " Some A are not B."

Work Step by Step

Example : All colors suit that girl. Some colors does not suit that girl.
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