Robert Haas wrote:
> The idea here is that a wolf can attack a sheep, or a wolf can attack
> another wolf, but sheep can't attack anything. I suppose I could list
> each wolf in both the predator and prey tables, but that seems a bit
> duplicative (and causes other problems).
>
> ...Robert
I'm quite certain a wolf is much more likely to attack a sheep than to
attack another wolf, and even more unlikely to attack for example a
lion. It seems to me that just the fact that it can isn't enough
information.
It looks like you need "weighted constraints"; there's 0 chance that a
sheep attacks a wolf, but there's >0 chance that a wolf attacks a sheep,
>0 chance it attacks a wolf and >0 chance it attacks a lion. The exact
numbers will vary, and I have absolutely no idea what they would be
like. It probably requires some kind of ranking system that adjusts
according to the known animals and their likelihood to attack eachother.
I'm pretty sure you can't get this done without defining some triggers.
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Alban Hertroys
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