From aa82fa84a083b7b90862f5f4c368f07dd62ae717 Mon Sep 17 00:00:00 2001 From: Jim Pryor Date: Wed, 15 Sep 2010 21:04:47 -0400 Subject: [PATCH 1/1] week1: tweaks Signed-off-by: Jim Pryor --- week1.mdwn | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/week1.mdwn b/week1.mdwn index f449ed49..a5e697a5 100644 --- a/week1.mdwn +++ b/week1.mdwn @@ -64,11 +64,11 @@ Examples of expressions: x (y x) (x x) - (\x y) - (\x x) - (\x (\y x)) - (x (\x x)) - ((\x (x x)) (\x (x x))) + (_x y) + (_x x) + (_x (_y x)) + (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: -- 2.11.0