# KASH3 Ref - IsSet

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### Function

IsSet ( any l ) -> elt-alg^boo

### Description

<shortdoc> Return true iff the object `l' is a set.
An object is a set if it is a sorted list without holes or duplicates. </shortdoc>

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