This paper considers a logical framework for modelling security policies for information systems. Epistemic, deontic and temporal logics can respectively be used to express what an agent knows or believes, what an agent is permitted or forbidden to know ...

Despite decades of research, the takeup of formal methods for developing provably correct software in industry remains slow. One reason for this is the high cost of proof construction, an activity that, due to the complexity of the required proofs, is ...