X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week1.mdwn;h=af079edf543c975f90a646c8d4ea6a8625cd6454;hp=5c596c78587a6324db858d5022136c5b81a35953;hb=2b49dd93ee877d3a9f868933c9113fbbda94df88;hpb=c1a371c8bd84f3ee2d03c10b3aa622f45eea5461

diff --git a/week1.mdwn b/week1.mdwn
index 5c596c78..af079edf 100644
--- a/week1.mdwn
+++ b/week1.mdwn
@@ -57,22 +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)))
-
->	&nbsp;
-
-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:
+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)