# KASH3 Ref - IsPerm

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### Function

IsPerm ( any a ) -> elt-alg^boo

### Description

<shortdoc> 'IsPerm' returns 'TRUE' if the object 'a' is a permutation and 'FALSE' otherwise. Will signal an error if 'a' is an unbound variable. </shortdoc>

| Built: Mon Nov 14 21:12:39 UTC 2005 on mack