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order


\begin{usage} order~x \end{usage}


Signature


\begin{params} {\em x} & \% & A fraction whose denominator is a power of p\\ \end{params}

\begin{retval} Returns $n$\ such that $x = a p^n$\ and $a \in R$, $p \not\vert~~a$. \end{retval}

Manuel Bronstein 2000-12-13