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 1.8 - Proof Methods and Strategy - Supplementary Exercises - Page 112: 5

Answer

After performing the specified steps on $ p→q$ we get converse of its inverse $¬p → ¬q$ The converse of its converse $q→p$ The converse of its contrapositive $¬q→¬p$

Work Step by Step

the converse of its inverse By the definitions, we know that the inverse of $p→q$ is: $¬p→¬q$ The converse interchanges the compound propositions in the conditional statements: $¬q→¬p$ Note: the Converse of the inverse is the contrapositive. The converse of its converse By the definitions, we know that the Converse of $p→q$ is: $q→p$ the converse interchanges the compound proposition in the conditional statements: $p→q$ Note: the Converse of the converse results in the original conditional statement. The converse of its contrapositive By the definition, we know that the Contrapositive of $p→q$ is $¬q→¬p$ The converse interchanges the compound propositions in the conditional statements: Note: The Converse of the contrapositive is the inverse.
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