Polish Journal of Philosophy

Volume 7, Issue 2, Fall 2013

Graham Priest
Pages 9-20

Three Heresies in Logic and Metaphysics

This paper concerns three heterodox views in logic and metaphysics: dialetheism (the view that some contradictions are true), noneism (the view that some objects do not exist), and the non-transitivity of numerical identity. It explains each of the views, some of their features and applications, and some of the relationships between them.