X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week1.mdwn;h=8d1ad0dd3a0ec34188415d1b6d76dc817c1956f2;hp=e8154e3cdcf1fbe6c21828c266662113bc7f9971;hb=75b0a95a29b968c3a6c42c04bdb4a908f586cd15;hpb=0ee155bce94a1150ab4e1a54088e994c6af8b672

diff --git a/week1.mdwn b/week1.mdwn
index e8154e3c..8d1ad0dd 100644
--- a/week1.mdwn
+++ b/week1.mdwn
@@ -61,16 +61,20 @@ Some authors reserve the term "term" for just variables and abstracts. We won't
 
 Examples of expressions:
 
-	x
-	(y x)
-	(x x)
-	(\x y)
-	(\x x)
-	(\x (\y x))
-	(x (\x x))
-	((\x (x x)) (\x (x x)))
-
-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:
+<blockquote><code>
+x<p>
+(y x)<p>
+(x x)<p>
+(\x y)<p>
+(\x x)<p>
+(\x (\y x))<p>
+(x (\x x))<p>
+((\x (x x)) (\x (x x)))<p>
+</code></blockquote>
+
+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:
 
 	((\a M) N)