X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=week1.mdwn;h=e49724d988b25111363940f35236ce3904053dee;hp=729b14d1760782f20b98106c2a0a227e6a1bab2b;hb=4e8aec5cb86b2838e8d556a9f8d6b2bcda215555;hpb=f259b9c18ecee2715349fefba2de8209a896cd69

diff --git a/week1.mdwn b/week1.mdwn
index 729b14d1..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 &rarr; for one-step contraction, and the symbol &rarr;> for zero-or-more step reduction. Hindley and Seldin use <code>|&gt;<sub>1</sub></code> and <code>|&gt;</code>.
+We'll mean that you can get from M to N by one or more reduction steps. Hankin uses the symbol <code><big><big>&rarr;</big></big></code> for one-step contraction, and the symbol <code><big><big>&#8608;</big></big></code> for zero-or-more step reduction. Hindley and Seldin use <code><big><big><big>&#8883;</big></big></big><sub>1</sub></code> and <code><big><big><big>&#8883;</big></big></big></code>.
 
 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: