Hi,
friedman_hill ernest j wrote:
> (defrule n01
> ?a <- (solution (bottle wine) (position a))
> ?b <- (solution (bottle cola) (position b))
> (test (and (eq ?a ?*a*) (eq ?b ?*b*)))
> =>
> (bind ?*status* -1))
Thank you for this; you were right with your note below; it wasn't needed, but it was
fun to see how it would be done. A small light bulb just went off with this instance
bit; thanks.
> Now, given that: why do you need to associate the global ?*a* with the
> wine bottle in the first place? I.e., why isn't the following exactly
> equivalent?
>
> (defrule n02
> (solution (bottle wine) (position a))
> (solution (bottle cola) (position b))
> =>
> (bind ?*status* -1))
>
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