Discrete Mathematics and Its Applications, Seventh Edition

Published by McGraw-Hill Education
ISBN 10: 0073383090
ISBN 13: 978-0-07338-309-5

Chapter 12 - Section 12.2 - Representing Boolean Functions - Exercises - Page 822: 19

Answer

Showing that the set of operators {+, ·} is not functionally complete

Work Step by Step

It is impossible to represent x using + and · because there is no way to get the value 0 if the input is 1.
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