Hello,

has anybody already tried to work with the ciao fuzzy prolog? I think, the implication-operator doesn't work properly. In all the examples included with the installtion of ciao, as well as in my own, I don't get any meaningful results when I try to use the => operator. Why is that?

I tried for example the following:

jung :# fuzzy_predicate[(0,1),(20,1),(30,0),(100,0)]. viel_schlafen :# fuzzy_predicate[(0,0),(5,0),(6,0.25),(8,1),(12,1)]. braucht(Alter,Stunden,M) :~ '=>'(min,jung(Alter,_),viel_schlafen (Stunden,_),M).

But I never get a value for M. In the examples included it's the same problem, ciao only tells me that M must be between 0 and 1. What's wrong?

Greetings,

Roman

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