hi:
I recall having this problem before.
Try (nth$ 2 $?colors) instead of (nth $2 $?colors). Guess this a
slight difference in notation from CLIPS.
Hope it works.
---
Venkat
In message <[EMAIL PROTECTED]>you write:
>
>Hello List
>
>I'm sorry for the primary questions, but given the following list. As to
>verify the color of the 2nd element of the list.
>(assert (color (create $red green blue)))
>
>(defrule colorsee
> (color $?colors)
> ((bind ?element (nth $2 $?colors)) green) ---> it gives
>mistake...
> =>
> (printout t "colors 2: " (bind ?element (nth $2 $?colors)) crlf)
> (printout t " list :" $?colors crlf))
>
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