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: 70

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\[\left( p\wedge r \right)\to q\]. Substitute the truth values for simple statements\[p,q,r\] to determine the truth value for the provided compound statement\[\left( p\wedge r \right)\to q\]. The provided compound statement is conditional statement whose ingredient variables are \[\left( p\wedge r \right)\] with\[q\]. A conditional statement is false only when the truth values of the antecedent is true and the consequent is false. Here,\[\left( p\wedge r \right)\]is a conjunction statement, which is true only when both the variables p and r are true. Replace with the truth values of a simple statement:\[\left( \text{F}\wedge \text{F} \right)\to \text{T}\] This implies the truth values can be rewritten as\[\text{F}\to \text{T}\], or in the simplest form, it can be written as \[\text{T}\](true). Therefore, it can be represented in the tabular form as
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