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 This paper presents a new modal logic for ceteris paribus preferences understood in the sense of "all other things being equal". This reading ...

The tetravalent modal logic (TML) is one of the two logics defined by Font and Rius (J Symb Log 65(2):481-518, 2000) (the other is the normal tetravalent modal logic TMLN) in connection with ...