X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo-misc.tex;h=24421457fab2d4a4bd474473b96bf470f221d351;hb=f114f14b8b351c58103bc0f55f69778175ab57b6;hp=3d8a4069eb3984cf93917b020da8572c58f768f4;hpb=5c1a943a2ae3886693c0361084239aef9da3551c;p=mjotex.git

diff --git a/mjo-misc.tex b/mjo-misc.tex
index 3d8a406..2442145 100644
--- a/mjo-misc.tex
+++ b/mjo-misc.tex
@@ -1,10 +1,18 @@
 %
 % Things that fit absolutely nowhere else.
 %
+\ifx\havemjomisc\undefined
+\def\havemjomisc{1}
 
-\usepackage{amsmath}
+
+\ifx\operatorname\undefined
+  \usepackage{amsopn}
+\fi
 
 % The cardinality of a set. The |X| notation conflicts with the
 % absolute value, and the meaning of card(X) is clear at once, so we
 % prefer the latter.
 \newcommand*{\card}[1]{ \operatorname{card} \of{{#1}} }
+
+
+\fi