X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-common.tex;h=26e761bda919ae79d587a16e8b435f49cd019694;hp=8dae2cff42f0d75693f2a01b3c853c74b526ef9b;hb=90f73298ec65ab89af5131ec8473f9c5909d333c;hpb=a32b270207ddd934668e5197d4222113c66ae6ee

diff --git a/mjo-common.tex b/mjo-common.tex
index 8dae2cf..26e761b 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -26,6 +26,9 @@
 % The Cartesian product of two things.
 \providecommand*{\cartprod}[2]{ {#1} \times {#2} }
 
+% The Cartesian product of three things.
+\providecommand*{\cartprodthree}[3]{ \cartprod{{#1}}{\cartprod{{#2}}{{#3}}} }
+
 %
 % Product spaces
 %