From 4e8aec5cb86b2838e8d556a9f8d6b2bcda215555 Mon Sep 17 00:00:00 2001
From: Jim Pryor
Date: Wed, 15 Sep 2010 17:11:28 -0400
Subject: [PATCH] week1 tweaks
Signed-off-by: Jim Pryor
---
week1.mdwn | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/week1.mdwn b/week1.mdwn
index ad6f98c4..e49724d9 100644
--- a/week1.mdwn
+++ b/week1.mdwn
@@ -185,7 +185,7 @@ Different authors use different notations. Some authors use the term "contractio
M ~~> N
-We'll mean that you can get from M to N by one or more reduction steps. Hankin uses the symbol `→`

for one-step contraction, and the symbol `↠`

for zero-or-more step reduction. Hindley and Seldin use `⊳`_{1}

and `⊳`

.
+We'll mean that you can get from M to N by one or more reduction steps. Hankin uses the symbol `→`

for one-step contraction, and the symbol `↠`

for zero-or-more step reduction. Hindley and Seldin use `⊳`_{1}

and `⊳`

.
When M and N are such that there's some P that M reduces to by zero or more steps, and that N also reduces to by zero or more steps, then we say that M and N are **beta-convertible**. We'll write that like this:
--
2.11.0