Re: 'all resources' is not a set

> >So would it be useful to have, as a convenience, some kind of
> >"owl:intensionsl" attribute?
> 
> No, because OWL (unlike RDFS) is entirely based on an extensional 
> (non-intensional) semantics. So it would be kind of meaningless in 
> OWL.
> 
> BTW, if this answer makes you feel like tearing your hear out, join  the club

It doesn't, but that's probably just because I don't understand.  :-)

Can you explain, maybe with a simple example of something that's very
similar but crucially different, using OWL vs RDFS?

   -- sandro