On negation rationality
Michael Crawley Freund · Journal of Logic and Computation · 1996
In this paper we study negation rationality, an important property for non-monotonic inference relations. We show that the preferential relations that satisfy negation rationality and admit an injective model are exactly the preferential relations that satisfy the property of disjunctive rationality. We also propose a semantic-type characterization for relations that satisfy negation rationality.