Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 3 - The Logic of Quantified Statements - Exercise Set 3.4 - Page 142: 7

Answer

Invalid by the converse error.

Work Step by Step

Converse Error: $\forall x$ if $P(x)$ then $Q(x)$. $Q(a)$ for a particular $a$. $\therefore P(a)$. (invalid conclusion) In this case P(x) is: if a person is healthy. Q(x) is: that person eats an apple a day. a is Keisha.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.