Why is range of skos:member unspecified?

In http://www.w3.org/TR/skos-reference/#L3312
Domain of skos:member is specified, but not its range
Is that a bug or a feature?

Why not : skos:member      rdfs:range      skos:Concept ?

Bernard

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*Bernard Vatant
*Knowledge Engineering
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Received on Tuesday, 5 August 2008 09:16:28 UTC