Justification logics are epistemic logics that explicitly include justifications for the agents' knowledge. We develop a multi-agent justification logic with evidence terms fo...
The interactive theorem prover developed in the KeY project, which implements a sequent calculus for JavaCard Dynamic Logic (JavaCardDL) is based on taclets. Taclets are lightweig...
Abstract Let L be a propositional language with standard Boolean connectives plus two modalities: an S4-ish topological modality and a temporal modality , understood as `next'...
Reynolds' view of a storage cell as an expression-acceptor pair has been widely used by researchers. We present a different way of organizing semantics of state, and in parti...
The advent of proof-carrying code has generated significant interest in reasoning about low-level languages. It is widely believed that low-level languages with jumps must be diff...