On the existence of free models in fuzzy universal Horn classes
Vicent Costa, Dellunde i Clavé, Pilar · LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) · 2016
This paper is a contribution to the study of the universal Horn fragment of predicate fuzzy logics, focusing on some relevant notions in logic programming. We introduce the notion of term structure associated to a set of formulas in the fuzzy context and we show the existence of free models in fuzzy universal Horn classes. We prove that every equality-free consistent universal Horn fuzzy theory has a Herbrand model.