We consider extending the modal logic KD45, commonly taken as the baseline system for belief, with propositional quantifiers that can be used to formalize natural language sentences such as ...

This is a preview. Log in through your library . Abstract We construct an extension $\scr{L}^{P}$ of the standard language $\scr{L}$ of classical propositional logic by adjoining to the alphabet of ...

Epistemic logic constitutes a rigorous framework for representing and reasoning about knowledge and belief. Central to this discipline is the formalisation of how agents acquire, retain and attribute ...