X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week1.mdwn;h=e7061a81fb07747bebde43e1709d976d4a8b10ce;hp=f449ed49e8663878d519af2e55ddea82fd44603a;hb=2b16a9953de04222b4a05a4cfee4d0c12c3c7fc9;hpb=2d31fef8de720442af29e2e21a0a9007871ed6aa

diff --git a/week1.mdwn b/week1.mdwn
index f449ed49..e7061a81 100644
--- a/week1.mdwn
+++ b/week1.mdwn
@@ -57,18 +57,11 @@ We'll tend to write <code>(&lambda;a M)</code> as just `(\a M)`, so we don't hav
 <strong>Application</strong>: <code>(M N)</code>
 </blockquote>
 
-Some authors reserve the term "term" for just variables and abstracts. We won't *participate* in that convention; we'll probably just say "term" and "expression" indiscriminately for expressions of any of these three forms.
+Some authors reserve the term "term" for just variables and abstracts. We won't participate in that convention; we'll probably just say "term" and "expression" indiscriminately for expressions of any of these three forms.
 
-Examples of expressions:
+Samples of expressions: 
 
-	x
-	(y x)
-	(x x)
-	(\x y)
-	(\x x)
-	(\x (\y x))
-	(x (\x x))
-	((\x (x x)) (\x (x x)))
+	foo
 
 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: