Re: Gary's weird test case

It was my test case, and you missed the p(?x) in the body, so the rule
is not inconsistent.


Jos

Michael Kifer wrote:
> This is regarding the rule that kept bugging me:
> 
> 1=2 :- AND(p(?X) isNotInt(?X) isNotString(?X)).
> 
> It seems this is inconsistent in the presence of other data types, such as 
> xsd:date. This is because this implies
> 
>  Forall ?X OR(isInt(?X) isString(?X))
> 
> Since there are things that are disjoint from ints and strs (e.g., dates,
> time), it follows that the above rule is inconsistent.
> 
> To make the above stick, all data types must be mentioned in the body.
> 
> 
> 	--michael  
> 

-- 
                         debruijn@inf.unibz.it

Jos de Bruijn,        http://www.debruijn.net/
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Received on Friday, 26 September 2008 20:01:26 UTC