Modal logic, an extension of classical logic, investigates the modes of truth such as necessity and possibility. Its development has been closely intertwined with advances in proof theory, a field ...

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 ...

Do you suffer from anxiety in your everyday life? This blog shows how a form of logic known as alethic modal logic can be used with logic-based therapy (LBT) to construct the emotional reasoning that ...