X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo-common.tex;h=8dae2cff42f0d75693f2a01b3c853c74b526ef9b;hb=a32b270207ddd934668e5197d4222113c66ae6ee;hp=a4457883acbea4f39adfa6e90e63684533e37eed;hpb=a30866cb085731037db598fa0affc35ce6c573cb;p=mjotex.git

diff --git a/mjo-common.tex b/mjo-common.tex
index a445788..8dae2cf 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -23,6 +23,9 @@
 % A pair of things.
 \providecommand*{\pair}[2]{ \left( {#1}, {#2} \right) }
 
+% The Cartesian product of two things.
+\providecommand*{\cartprod}[2]{ {#1} \times {#2} }
+
 %
 % Product spaces
 %