Starting with a likelihood or preference order on worlds, we extend it to a likelihood ordering
on sets of worlds in a natural way, and examine the resulting logic. Lewis earlier considered …

In a recent paper we have proposed terminological default logic as a formalism that
combines means both for structured representation of classes and objects and for default …

In this paper we discuss different types of permissions and their roles in deontic logic. We
study the distinction between weak and strong permissions in the context of input/output …

This paper investigates to what extent a purely symbolic approach to decision making under
uncertainty is possible, in the scope of artificial intelligence. Contrary to classical …

A single global authority is not sufficient to regulate heterogenous agents in multiagent
systems based on distributed architectures, due to idiosyncratic local situations and to the …

The work reported on in this thesis was carried out at the Centre for Artificial Intelligence
Research and the CSIR Meraka Institute in Pretoria, South Africa, from August 2011 to …

The aim of this paper is to strengthen the point made by Horty about the relationship
between reason holism and moral particularism. In the literature prima facie obligations …

According to conciliatory views on the significance of disagreement, it's rational for you to
become less confident in your take on an issue in case your epistemic peer's take on it is …

We present a new approach to query answering in default logics. The basic idea is to treat
default rules as classical implications along with some qualifying conditions restricting the …

DEFEASIBILITY IN EPISTEMOLOGY Aleks Knoks Doctor of Philosophy, 2020 Department of
Philosophy & Institute for Advan Page 1 ABSTRACT Title of Dissertation: DEFEASIBILITY IN …