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 ...

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 ...

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 ...

In 1959, a paper appeared in The Journal of Symbolic Logic, with the unimpressive-sounding title “A Completeness Theorem in Modal Logic.” A completeness theorem is a guarantee that every universal ...

Studia Logica: An International Journal for Symbolic Logic, Vol. 101, No. 5 (October 2013), pp. 1061-1072 (12 pages) Every truth-functional three-valued propositional logic can be conservatively ...

This is a preview. Log in through your library . Abstract Modal logics have proven to be a very successful tool for reasoning about games. However, until now, although logics have been put forward for ...