From: mailbox@dmitry-kazakov.de   
      
   On 2019-01-19 16:13, Manuel Rodriguez wrote:   
      
   > After a bit researching the topic of Fuzzy logic, there is a growing   
   > suspicion, that the subject is also located in the domain of fake   
   > science. That means, a typical sign for a fake science conference is, that   
   > some of the invited speakers explains something about gradient and set   
   > theory which is not a real theory, but has a non-scientific background.   
      
   How set theory is fake science?   
      
   > I have to admit, that i'm not an expert for Fuzzy logic, so i want to   
   > hear the voice of experts in the field. Is Fuzzy logic a fake, and are   
   > conferences about the subject organized by predatory publishers?   
      
   What do you mean when you refer to fuzzy logic? Historically fuzzy logic   
   does not mean logic in the sense of classic [crisp] mathematical logic.   
      
   In the literature fuzzy logic rather means fuzzy control, i.e. when the   
   inputs are fuzzified, some type of fuzzy inference is used, and the   
   outputs are defuzzified to handle actuators.   
      
   The natural meaning of fuzzy logic as an extension of crisp logic by   
   replacing Boolean lattice with a richer set [0,1] or [0,1]**B is not so   
   common.   
      
   I don't know which publications you read. It is true that about 80% of   
   all publications in peer reviewed journals is noise. Honest or dishonest   
   noise but still noise. Is that specific to the fuzzy set theory and its   
   applications? Difficult to say, but I somehow doubt that it could   
   compete with, say, climate models or publications on so-called social   
   "sciences"... (:-))   
      
   BTW, fuzzy approach has a very solid application in numeric   
   computations, interval computations.   
      
   --   
   Regards,   
   Dmitry A. Kazakov   
   http://www.dmitry-kazakov.de   
      
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