mjo-set.tex

   1 %
   2 % Things that fit absolutely nowhere else.
   3 %
   4 \ifx\havemjoset\undefined
   5 \def\havemjoset{1}
   6
   7
   8 \ifx\operatorname\undefined
   9   \usepackage{amsopn}
  10 \fi
  11
  12 % The cardinality of a set. The |X| notation conflicts with the
  13 % absolute value, and the meaning of card(X) is clear at once, so we
  14 % prefer the latter.
  15 \newcommand*{\card}[1]{ \operatorname{card} \of{{#1}} }
  16
  17
  18 \fi