X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week1.mdwn;h=329333cb85b698af3383539ecb790cc4fc6245ed;hp=48784ca90cd7170c178bdb6a932564a70ebb0624;hb=0eed138e6dd3ef2582b10cd962bdd030d9069f6b;hpb=16beefe772e4fcf110c58394c16773390c8a4dab diff --git a/week1.mdwn b/week1.mdwn index 48784ca9..329333cb 100644 --- a/week1.mdwn +++ b/week1.mdwn @@ -61,7 +61,7 @@ Some authors reserve the term "term" for just variables and abstracts. We won't Samples of expressions:  - foo +> 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: