In this paper it is argued that Hintikka's game theoretical semantics for Independence Friendly logic does not formalize the intuitions about independent choices; it rather is...
In this paper, we discuss some formal properties of the model of bidirectional Optimality Theory that was developed in Blutner 2000. We investigate the conditions under which bidi...
A concept language with role intersection and number restriction is defined and its modal equivalent is provided. The main reasoning tasks of satisfiability and subsumption checkin...
The postulate of Recovery, among the six postulates for theory contraction, formulated and studied by Alchourr´on, G¨ardenfors and Makinson is the one that has provoked most cont...
We introduce A-ranked preferential structures and combine them with an accessibility relation. A-ranked preferential structures are intermediate between simple preferential struct...