Weak filters were introduced by K. Schlechta in the'90s with the aim of interpreting defaults
via a generalized 'most'quantifier in first-order logic. They arguably represent the largest …

Modality holds a central position in the fields of formal semantics and modal logic. This
dissertation delves into epistemic and desiderative modalities, focusing on addressing …

After the seminal work of Kraus, Lehmann and Magidor (formally known as the KLM
approach) on conditionals and preferential models, many aspects of defeasibility in more …

This paper explores the idea of the preference lifting under uncertainty. An attempt is
proposed in the direction of “qualitative= qualitative+ quantitative”. This leads to a novel …

Conditionals are useful for modelling many forms of everyday human reasoning but are not
always sufficiently expressive to represent the information we want to reason about. In this …

In addition, in this chapter, we will show the significant role that the WEM plays in examining
the interaction among epistemic might, know and believe. To illustrate this point, we will …