X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-misc.tex;h=24421457fab2d4a4bd474473b96bf470f221d351;hp=f73fe142e3a41f105f8e3d085ca9523468eb7744;hb=e6bb4f9ae2d3785b331388703b8793e0409d30af;hpb=ba0227140d34fe1c8cacdb4996b5896aec4c4013 diff --git a/mjo-misc.tex b/mjo-misc.tex index f73fe14..2442145 100644 --- a/mjo-misc.tex +++ b/mjo-misc.tex @@ -5,7 +5,9 @@ \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