A language for expressing expert knowledge using fuzzy temporal rules

In this paper we undertake an initial ap proach to the formal de nition of a grammar that describes what we call Fuzzy Tempo ral Propositions FTPs or propositions with explicitly expressed information of a tempo ral type The grammar contemplates the double perspective of the problem it pro vides a syntactic description of the proposi tions that it models and a procedure seman tic criteria for evaluating the Degree Of Full llment DOF of these propositions In this paper we principally deal with aspects of the language for the representation of FTPs