Restate in a logically equivalent form.
-It is not true that both this book is interesting and the book is about stars.
A)This book cannot be both interesting and about stars.
B)Either this book is not interesting or it is not about stars.
C)This book is both interesting and about stars.
D)Either this book is interesting or it is about stars.

Question

Quizplus · Accepted Answer

The original statement negates the conjunction of two propositions: the book being interesting and about stars. The logically equivalent form is to apply De Morgan's Law, which turns the conjunction into a disjunction with each proposition negated. This results in the statement that either the book is not interesting or it is not about stars.

Restate in a Logically Equivalent Form