Re: Interpretation of Relations

From: Joe Thurbon <name>
Date: Sat, 20 Jan 2007 02:34:04 GMT
Message-ID: <2007012012335316807-myfirstname@thurboncom>

On 2007-01-19 21:24:25 +1000, paul c <toledobythesea_at_oohay.ac> said:

> Joe Thurbon wrote:
>> Tonkuma wrote:
>> 
>>> Joe Thurbon wrote:
>>> 

>>>> indicates that I don't know the colour of Joe's hair. It really means
>>>>
>>>> NOT Joes hair is Red
>>>> NOT Joes hair is Blond
>>>>
>>>> Is this right? If so, it leads me to a question about modelling missing
>>>> information. (And a lot of other questions, too). If not, is there a
>>>> simple thing that I've missed?
>>>>

>>> If you really don't know the colour of Joe's hair. Joe's
>>> hair color may be Red, Blond, Brown, White, Black, etc.
>>> There are many possibilities including Red or Blond. You can't say
>>> definitly "NOT Joes hair is Red" and/or "NOT Joes hair is Blond".
>>> 
>> 
>> Thanks for your reply.
>> 
>> I think my original post was unclear in stating my problem, since this 
>> is the second reply which talks about my impoverished domain.
>> ...
> 
> Not impoverished, rather unnecessary!  For this purpose the only domain 
> you need is hair colour.
> 
> p

Yes, that's true. It's obvious to me, now that you've said it.

Thanks,
Joe Received on Fri Jan 19 2007 - 20:34:04 CST