[Crm-sig] ISSUE: Is P181 has amount different from P90 has value?

[Martin Doerr]

Dear Robert,

Indeed! P180 already specializes what kind of unit a monetary amount can 
have.

Best,

Martin


On 12/6/2019 10:48 PM, Robert Sanderson wrote:
>
> Dear all,
>
> Is P181_has_amount really a useful property, compared to its 
> super-property of P90_has_value?
>
> They both take numbers, 181 is a subproperty of 90 just as 97 is a 
> subclass of 54. Their scope notes do not describe any semantic 
> difference between them, as far as I can tell:
>
> P90:  This property allows an instance of E54 Dimension to be 
> approximated by an instance of E60 Number primitive.
>
> P181:  This property establishes the relationship between an instance 
> of E97 Monetary Amount and the amount of currency, an instance of E60 
> Number, that it consists of.
>
> As there is no specialization occurring, I do not believe that P181 is 
> in any way different from P90 and thus we should just use P90 with 
> Monetary Amounts and remove P181.
>
> Many thanks!
>
> Rob
>
>
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-- 
------------------------------------
  Dr. Martin Doerr
               
  Honorary Head of the
  Center for Cultural Informatics
  
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