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 ...

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 ...

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 ...

A simple, bivalent semantics is defined for Łukasiewicz's 4-valued modal logic Łm4. It is shown that according to this semantics, the essential presupposition underlying Łm4 is the following: A is a ...

Papers on related subjects will also be considered. (1) Full papers for publication in the proceedings and presentation at the conference. (2) Short presentations intended for presentation at the ...

An introduction to modal and many-valued logics, with emphasis on philosophical motivation through a study of applications and paradoxes. Reading: PP, selections from Chs. 11-12.