6. The method as claimed in claim 5 , wherein said group of rules is a group of rules associated with a particular linguistic value of said output, said maximum firing strength indicating a dominant rule, all other rules in said group being eliminated from calculation of said output value.
6. The method as claimed in claim 5 , wherein said group of rules is a group of rules associated with a particular linguistic value of said output, said maximum firing strength indicating a dominant rule, all other rules in said group being eliminated from calculation of said output value. 7. The method as claimed in claim 6 , wherein said method is performed simultaneously for said group of rules and for other groups of rules associated with other linguistic values of a same output.