integral?

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integral?

Signature

integral?: % $\to$ Boolean

$\begin{usage} integral?~r \end{usage}$

$\begin{params} {\em r} & \% & A root\\ \end{params}$

$\begin{retval} Return {\it true}\xspace ~if r is in R, {\it false}\xspace ~otherwise. \end{retval}$

Manuel Bronstein 2000-12-13