Complex sentence: There are several ways to define the result of a rule, but one of the most common and simplest is the "max-min" inference method, in which the output membership function is given the truth value generated by the premise.
Split into simpler sentences: There are several ways to define the result of a rule. But, one of the most common and simplest is the "max-min" inference method, in which the output membership function is given the truth value generated by the premise.