X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week1.mdwn;h=e65919563b4ac23de3d1140d07172f6e9f141f14;hp=e8154e3cdcf1fbe6c21828c266662113bc7f9971;hb=e4deceea664344b0c6edffd2fac9c55bd7786fbc;hpb=1f97960ab1bdd7a1328fe64714e8b36b38bd7a1e diff --git a/week1.mdwn b/week1.mdwn index e8154e3c..e6591956 100644 --- a/week1.mdwn +++ b/week1.mdwn @@ -70,7 +70,10 @@ 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: +

+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)