The Master Argument of Diodorus Cronus as an alternative account of modality
Abstract
This paper considers an argument due to Diodorus Cronus (3rd century BCE), called
by the ancients the Master Argument, which provides a theory of modality different
from the modern orthodoxy of modal logic. It is argued that the Master Argument is
supported by plausible intuitions, and that the modal logic obtained has reasonable
epistemological motivation.