Re: Ternary Relationship cardinality

> Ah, wait, now I understand your sub/superclass annotation. You say that
> Child is a subclass of Parent (btw. letting both be a subclass of Dog
> or whatever might be more logical) and a dog is in the class Child iff
> it has parents.In that case there is no problem.

I don't think I can generalize both in 1 class... the actual heirarchy is abit more complex than the parent/child example.

Person
IS A
CoolerPerson(who can take part in breeding) IS A
ChildPerson OR EvenCoolerPerson

Not using the actual names as they got us all paranoid about this anti-plagiarism WebBot..which probably doesn't exist..

Thanks Again,

Mike Received on Tue Sep 19 2006 - 12:22:04 CEST