Re: Interpretation of Relations

From: Tonkuma <tonkuma_at_jp.ibm.com>
Date: 18 Jan 2007 19:04:01 -0800
Message-ID: <1169175841.779620.159500_at_v45g2000cwv.googlegroups.com>


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". Received on Fri Jan 19 2007 - 04:04:01 CET

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