On Feb 2, 2012, at 2:57 PM, doug foxvog wrote:
> "Giancarlo Guizzardi" <
gguizzardi@xxxxxxxxxxx> wrote:
>> ...
>> Yes. Let´s take the prime minister of Italy
>
> I agree with the following analysis of the Prime Minister of Italy,
> until the last paragraph:
> :>Now, there seems to be yet another entity, the perspectile “Prime Minister
> :> of Italy” which is the concrete individual which is composed of all the
> :> qua entities of people which played that role. ...
>
> I'm not sure what use the modeling of such an entity would be -- but i
> accept that such a thing could be modeled. I don't think it is a semantic
> concept that would be useful or that most people would consider --
> and those who tried to consider it would likely make logical fallacies.
> Would you expect them to come up with the right answer if asked
> the age of the "perspectile Prime Minister of Italy" (even if they knew
> what "perspectile" meant?
>
> -- doug
>
>> There is certainly the Role – Prime Minister of Italy characterized by a
>> number of commitments and claims and defined in a certain normative
>> description (the Italian Constitution). For me, this Role is a type (a
>> universal if you like which is repeatable and which can be predicated into
>> a number of individuals). Of course, this Role can itself change and have
>> its own type-properties (second order properties). For instance, maximum
>> number of years that one can instantiate (play) that role is a property of
>> the type (not of the individuals instantiating that role) and which can
>> change. These second order properties are of course not special of roles.
>> Take for instance the maximal life span as a property of the Species Lion
>> –
>> again, a property of the type, not of individual lions…Of course, all this
>> is not new…
>
>> Asides from the type, there is the person (in this case) instantiating
>> that
>> role, e.g., Berlusconi, which is an individual and, in my view, there is a
>> complex of instantiated properties (tropes, moments, modes) which
>> Berlusconi acquires by virtue of instantiating that role. The latter is
>> what I call a qua entity (Berlusconi-qua-prime-minister-of-Italy).
>> Alternatively, one can view Berlusconi-qua-prime-minister-of-Italy as an
>> aspectual slice of Berlusconi. Of course now that (fortunately IMO)
>> Berlusconi isn´t prime minister of Italy anymore, we have another
>> individual instantiating that role (Mario Monti) and we can have another
>> qua entity there as well.
>
>> Now, there seems to be yet another entity, the perspectile “Prime Minister
>> of Italy” which is the concrete individual which is composed of all the
>> qua
>> entities of people which played that role. Perhaps the reason for doing
>> that would be to avoid dealing with second order properties and still be
>> able to attribute properties to the “Prime Minister of Italy”. I am not
>> sure…(perhaps Nicola or Emmanuele can reply to this here).
>>
>>
>>
>> Best,
>>
>> Giancarlo
>> ...
>
>
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