Tradition states that above the entrance to Plato’s Academy were inscribed the words, “Let no one ignorant of geometry enter here.” A student in the modal logic interim course studies how subjunctives ...

Dynamic logic offers a formal framework to reason about actions, transitions and the evolution of systems over time. It extends classical modal logic by incorporating operators that capture state ...

Modal Logic, originally conceived as the logic of necessity and possibility, has developed into a powerful mathematical discipline that deals with (restricted) description languages for talking about ...