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@@ -59,7 +59,6 @@ We'll tend to write <code>(&lambda;a M)</code> as just `(\a M)`, so we don't hav
 
 Some authors reserve the term "term" for just variables and abstracts. We'll probably just say "term" and "expression" indiscriminately for expressions of any of these three forms.
 
-<div>
 Examples of expressions:
 
 	x
@@ -71,8 +70,6 @@ Examples of expressions:
 	(x (\x x))
 	((\x (x x)) (\x (x x)))
 
-</div>
-
 The lambda calculus has an associated proof theory. For now, we can regard the
 proof theory as having just one rule, called the rule of **beta-reduction** or
 "beta-contraction". Suppose you have some expression of the form: