Discrete Mathematics and Its Applications, Seventh Edition

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

Chapter 1 - Section 1.2 - Applications of Propositional Logic - Exercises - Page 23: 26

Answer

There are no solutions.

Work Step by Step

Person A says, "I am the knave," B says "I am the knave," and C says "I am the knave." One of these individuals must be the knight, but by claiming to be the knave, this individual lies. Therefore, the situation is impossible and has no solutions.
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