I have an archetype with a complex object derived of CLUSTER with
"items cardinality matches {2..*; ordered}"
and those two items are also defined inside the complex object.
I understand the semantics of this definition that both items always have to appear together inside the cluster but the package of those two items may appear any number of times. Is it allowed for instances of this archetype to have an uneven number of items > 2 inside this cluster, because that would still suffice the restriction of having 2..* children. Or do the instances always have to have both elements as a package that are defined as items in this cluster. As I am not the author of the archetype I do not completely understand how the definition has to be interpreted.

Dipl.-Inf. Georg Fette      Raum: B001
Universität Würzburg        Tel.: +49-(0)931-31-85516
Am Hubland                  Fax.: +49-(0)931-31-86732
97074 Würzburg              mail: georg.fe...@uni-wuerzburg.de

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