%
% Things that fit absolutely nowhere else.
%
\ifx\havemjoset\undefined
\def\havemjoset{1}

\input{mjo-font} % amsfonts and \mathpzc

\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}} }


\newcommand*{\powerset}[1]{\mathpzc{P}\of{{#1}}}
\ifdefined\newglossaryentry
  \newglossaryentry{powerset}{
    name={\ensuremath{\powerset{X}}},
    description={the ``powerset,'' or set of all subsets of $X$},
    sort=p
  }
\fi


\fi
