From dd77681b844147e67a6ff31523c132db9c65b58d Mon Sep 17 00:00:00 2001 From: Jim Pryor Date: Wed, 15 Sep 2010 21:09:58 -0400 Subject: [PATCH] week1: tweaks Signed-off-by: Jim Pryor --- week1.mdwn | 2 ++ 1 file changed, 2 insertions(+) diff --git a/week1.mdwn b/week1.mdwn index cacb73fc..af079edf 100644 --- a/week1.mdwn +++ b/week1.mdwn @@ -59,6 +59,8 @@ We'll tend to write (λa M) as just `(\a M)`, so we don't hav 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. +Samples of expressions + 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) -- 2.11.0