%
% Standard topological operations.
%
\ifx\havemjotopology\undefined
\def\havemjotopology{1}


\ifx\operatorname\undefined
  \usepackage{amsopn}
\fi

\input{mjo-common} % for \of, at least

% The ``interior of'' operator.
\newcommand*{\interior}[1]{ \operatorname{int}\of{{#1}} }

% The ``closure of'' operator.
\newcommand*{\closure}[1]{ \operatorname{cl}\of{{#1}} }

% And the ``boundary of'' operator.
\newcommand*{\boundary}[1]{ \operatorname{bdy}\of{{#1}} }


\fi
