diff --git a/latex/intro-exercises.tex b/latex/intro-exercises.tex
index 25de6856dd..fd766dfe6b 100644
--- a/latex/intro-exercises.tex
+++ b/latex/intro-exercises.tex
@@ -90,19 +90,6 @@
 \end{uexercise} 
 % id=1.7 section=1.2.6
 
-\begin{iexercise}
-To what extent are the following computer systems instances of artificial
-intelligence:
-\begin{itemize}
-\item Supermarket bar code scanners.
-\item Voice-activated telephone menus.
-\item Spelling and grammar correction features in Microsoft Word.
-\item Internet routing algorithms that respond dynamically to the state
-of the network.
-\end{itemize}
-\end{iexercise} 
-% id=1.7 section=1.2.6
-
 \begin{exercise}
 Many of the computational models of cognitive activities that have been 
 proposed involve quite complex mathematical operations, such as convolving