Abstract. We prove a conjecture by A. Pnueli and strengthen it showing a sequence of "counting modalities" none of which is expressible in the temporal logic generated by...
A critical aspect of an agent system is the ability to deal with unexpected situations to determine an appropriate course of action in a changing environment. In this paper, we inv...
We explain the raison d’ˆetre and basic ideas of input/output logic, sketching the central elements with pointers to other publications for detailed developments. The motivation...
: This paper deals on defining object-oriented inferences by desining a new unification procedure called ?-unification (which leads to a sound and complete resolution) in DF-logic,...
Quasi-set theory is a theory for dealing with collections of indistinguishable objects. In this paper we discuss some logical and philosophical questions involved with such a theo...