Add \cartprodthree command to avoid nesting \cartprod.

diff --git a/mjo-common.tex b/mjo-common.tex
index 8dae2cff42f0d75693f2a01b3c853c74b526ef9b..26e761bda919ae79d587a16e8b435f49cd019694 100644 (file)
--- 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
 %