X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week1.mdwn;h=36ebdfcc6a48bf72288e2023a0186b9c6665de2d;hp=b5a67fa367f2e663ee5e36502a52c700b14e18d6;hb=7587d77529de78e4257c1f101ca2b1df2988d493;hpb=edfcc704a4036cae0f2fd6399b99beb29c493cca

diff --git a/week1.mdwn b/week1.mdwn
index b5a67fa3..36ebdfcc 100644
--- a/week1.mdwn
+++ b/week1.mdwn
@@ -59,9 +59,16 @@ 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.
 
-Examples *of* expressions:
+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