%
% Standard topological operations.
%

\input{mjo-common}

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

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

% And the boundary operator.
\newcommand*{\boundary}[1]{ \partial \of{{#1}} }
