This paper takes into account the Wittgenstein's idea on family resemblances as a particular crisp relation between some fuzzy sets, that is, between some predicates represent...
Abstract. Developing a good formalism and an efficient decision procedure for the instance checking problem is desirable for practical application of description logics. The data c...
We present an axiomatisation for an extension of a temporal epistemic logic with an epistemic “reset” operator defined on the intersection between epistemic and temporal rela...
Recently there has been increased interest in logic programming-based default reasoning approaches which are not using negation-as-failure in their object language. Instead, defau...
Grigoris Antoniou, Michael J. Maher, David Billing...
Ford has introduced a non-monotonic logic, System LS, inspired by an empirical study of human non-monotonic reasoning. We define here a defeasible logic FDL based on Ford’s logi...