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one?


\begin{usage} one?~x \end{usage}


Signature


\begin{params} {\em x} & \% & An element of the monoid\\ \end{params}

\begin{retval} Returns {\it true}\xspace ~if $x = 1$, {\it false}\xspace ~otherwise. \end{retval}

Manuel Bronstein 2000-12-13