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bracket,if


\begin{usage}[c,o]~\\ bracket(c,o)\\ \_if(c, o)
\end{usage}


Signature


\begin{params}
{\em c} & C & a condition \\
{\em o} & O & an object\\
\end{params}

\begin{retval}
Return a new conditional object where condition $c$\ is associated
to object $o$.
\end{retval}


Manuel Bronstein 2000-12-13