XFL3: The Xfuzzy 3 specification language  
Operator sets 
An operator set in XFL3 is an object containing the mathematical functions that are assigned to each fuzzy operator. Fuzzy operators can be binary (like the Tnorms and Snorms employed to represent linguistic variable connections, implication, or rule aggregations), unary (like the Cnorms or the operators related with linguistic hedges), or can be associated with defuzzification methods. XFL3 defines the operator sets with the following format:
It is not required to specify all the operators. When one of them is not defined, its default function is assumed. The following table shows the operators (and their default functions) currently used in XFL3.
The assigned functions are defined in external files which we name as packages. The format to identify a function is "package.function".

For comments, patches, bug reports, etc contact us at:
xfuzzyteam@imsecnm.csic.es
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