> "cascading rules" -- What do you mean by that? (Like a hierarchy of   
   > rules? Or rules controlling rules?) Please tell me more (or direct me to   
   > a link perhaps?).   
      
   I mean like intermediate output fuzzy variables, which are in turn   
   inputs for some other sets of rules.   
      
   I don't have any links for now, but I think you get the idea.   
      
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