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Re: Names for top and bottom properties

From: Carsten Lutz <clu@tcs.inf.tu-dresden.de>
Date: Wed, 30 Apr 2008 11:19:51 +0200 (CEST)
To: Rinke Hoekstra <hoekstra@uva.nl>
Cc: Sandro Hawke <sandro@w3.org>, Alan Ruttenberg <alanruttenberg@gmail.com>, Ian Horrocks <ian.horrocks@comlab.ox.ac.uk>, OWL Working Group WG <public-owl-wg@w3.org>, Rees Jonathan <jar@creativecommons.org>, Chris Mungall <cjm@fruitfly.org>
Message-id: <Pine.LNX.4.64.0804301119230.14740@frege.inf.tu-dresden.de>

On Wed, 30 Apr 2008, Rinke Hoekstra wrote:
>
> Hi,
>
> I propose we go for the pragmatic solution, and just use the words we (as WG) 
> already use to refer to these properties: topProperty and bottomProperty.
>
> Although I really am all for 'pronouncable' property names (which I heard 
> Alan advocate), I believe these only confuse matters in this case (as Bijan 
> and Chris suggest).
>
> Also, the possibleProperty does not cover the semantics of the top property, 
> as the top property relates all individuals, not possibly, but actually.

I agree with Rinke's arguments and second this.

greetings,
 		Carsten

> -Rinke
>
>
> On 30 apr 2008, at 00:42, Sandro Hawke wrote:
>> 
>> 
>>>> Last week it was agreed in principle that we should add these
>>>> properties, but we need to find suitable names for them.
>>>> Suggestions in an email please!
>> 
>> 
>>>> A hasSomethingOrNothingToDoWith B
>>>> 
>>>> A doesOrDoesNotRelateTo B
>>>> 
>>>> by construction neither of these can be false (assuming excluded
>>>> middle)...
>> 
>> Which makes me think:
>>
>>   A mayRelateTo B      (or mayBeRelatedTo)
>> and
>>   A possibleProperty B
>>   A possibleAssociate B
>> 
>>>> then the bottom would have to be
>>>> 
>>>> A doesAndDoesNotRelateTo B
>> 
>> which makes me think:
>>
>>   A mustNotRelateTo B
>> and
>>   A impossibleProperty B
>>   A impossibleAssociate B
>> 
>> I'm new to top/bottom, so forgive me if these say/mean the wrong thing.
>> I'm just brainstorming.
>>
>>      -- Sandro
>
> -----------------------------------------------
> Drs. Rinke Hoekstra
>
> Email: hoekstra@uva.nl    Skype:  rinkehoekstra
> Phone: +31-20-5253499     Fax:   +31-20-5253495
> Web:   http://www.leibnizcenter.org/users/rinke
>
> Leibniz Center for Law,          Faculty of Law
> University of Amsterdam,            PO Box 1030
> 1000 BA  Amsterdam,             The Netherlands
> -----------------------------------------------
>
>
>
>

--
*      Carsten Lutz, Institut f"ur Theoretische Informatik, TU Dresden       *
*     Office phone:++49 351 46339171   mailto:lutz@tcs.inf.tu-dresden.de     *
Received on Wednesday, 30 April 2008 10:21:02 GMT

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