Side of Relation

Attribute

Value

Meaning

Source:

Relation attribute may be empty

false

All systems must have a system type

Instances are relation dependent

false

Instances are not relation dependent. It is possible to change the system type of a system (without deleting).

Target:

Relation attribute may be empty

true

A system type may exist without having a system related to it

Instances are relation dependent

false

Instances are not relation dependent. It is possible to change the system type of a system (without deleting).

Relation Attribute is collection

true

More than one system may have a relation with this Systemtype