--- a/preamble.tex	Tue Nov 03 16:02:37 2009 +0000
+++ b/preamble.tex	Tue Nov 03 19:54:46 2009 +0000
@@ -139,7 +139,8 @@
 
 \newcommand{\restrict}[2]{#1{}_{\mid #2}{}}
 \newcommand{\set}[1]{\left\{#1\right\}}
-\newcommand{\setc}[2]{\left\{#1 \;\left| \; #2 \right. \right\}}
+\newcommand{\setcl}[2]{\left\{ \left. #1 \;\right| \; #2 \right\}}
+\newcommand{\setcr}[2]{\left\{ #1 \;\left| \; #2 \right\}\right.}
 \newcommand{\relations}[2]{\left<#1 \;\left| \; #2 \right. \right>}
 \newcommand{\cone}[3]{C\left(#1 \xrightarrow{#2} #3\right)}
 \newcommand{\pairing}[2]{\left\langle#1 ,#2 \right\rangle}