From aa82fa84a083b7b90862f5f4c368f07dd62ae717 Mon Sep 17 00:00:00 2001
From: Jim Pryor
Date: Wed, 15 Sep 2010 21:04:47 -0400
Subject: [PATCH] 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