From 2b6f9aa58154ba0d7d25a94f7f74674139b5ac92 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Sun, 5 Jun 2016 22:27:01 -0400
Subject: [PATCH] Add a \factorial command.

---
 mjo-common.tex | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mjo-common.tex b/mjo-common.tex
index e19d788..408ca33 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -29,6 +29,9 @@
 % The Cartesian product of three things.
 \providecommand*{\cartprodthree}[3]{ \cartprod{{#1}}{\cartprod{{#2}}{{#3}}} }
 
+% The factorial operator.
+\providecommand*{\factorial}[1]{ {#1}! }
+
 %
 % Product spaces
 %
-- 
2.44.2