Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 3 - Logic - 3.4 Truth Tables for the Conditional and the Biconditional - Exercise Set 3.4 - Page 160: 66

Answer

The truth value of the provided compound statement with the provided condition is true.

Work Step by Step

The provided compound statement in symbolic form is\[\sim \left( p\leftrightarrow q \right)\]. Substitute, the truth values for simple statements\[p,q,r\] to determine the truth value for the provided compound statement\[\sim \left( p\leftrightarrow q \right)\]. The provided compound statement is a negation of\[\left( p\leftrightarrow q \right)\], which is a conditional statement. A biconditional statement is true only when the truth values of both the simple statement are same. Replace with the truth values of a simple statement\[\sim \left( \text{F}\leftrightarrow \text{T} \right)\]. This implies the truth values can be rewritten as \[\sim \left( \text{F} \right)\] or in the simplest form it can be written as \[\text{T}\](true). Therefore, it can be represented in the table form as:
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