#### Answer

$\color{blue}{\text{contradiction}}$

#### Work Step by Step

A contradiction is an equation with no solution.
Thus, the missing expression in the given statement is:
$\color{blue}{\text{contradiction}}$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$\color{blue}{\text{contradiction}}$

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