From: nomail@mail.invalid   
      
   What are the problems, or weaknesses of predicate logic?   
      
   (if considering a strong AI that would function with logic)   
      
      
   Can someone give an example of something in world, that can't be easily   
   described by predicate logic, or something which is computationally hard to   
   handle?   
      
   Can propabilities be added to logic?   
      
      
   Can logic deal with information (propositions?) that is faulty?   
      
   If considering people, different persons have different knowledge about   
   world, where many pieces can be opposite with other persons knowledge, ie.   
   person has lots of faulty information, but still he is able to function.   
      
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