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Paul Prescod wrote,
> No, it isn't expressible in OWL 1.0. But it also doesn't require
> Turing-completeness so OWL 2.0 will probably handle it. It is a
> stated objective!

Which implies giving up decidability.

> O10. Arithmetic primitives
>
> The language should support the use of arithmetic functions. These
> can be used in translating between different units of measure.
>
> Motivation: Ontology interoperability"

Very sensible ... more expressive power would be helpful, even tho' that 
means giving up decidability.

> > Expressive power, decidability: pick one.
>
> No, I don't have to pick one.

See above.

Cheers,


Miles

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