From: Jim Pryor Date: Thu, 16 Sep 2010 00:58:45 +0000 (-0400) Subject: week1: tweaks X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=commitdiff_plain;h=6c49eb332507fd00c786264c48cf519cb150b8b5 week1: tweaks Signed-off-by: Jim Pryor --- diff --git a/week1.mdwn b/week1.mdwn index 897ef1f8..48bc6b59 100644 --- a/week1.mdwn +++ b/week1.mdwn @@ -70,6 +70,7 @@ Examples of expressions: (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: ((\a M) N)