Proofs and Models in Philosophical Logic

September 3, 2021

Abstract: In this talk, I will draw out three different ways that soundness and completeness—and the relationship between proofs and models—can teach us in something about classical propositional logic, the semantics of modal logic, and the metaphysics of quantified modal logic.


I’m Greg Restall, and this is my personal website. I am the Shelby Cullom Davis Professor of Philosophy at the University of St Andrews, and the Director of the Arché Philosophical Research Centre for Logic, Language, Metaphysics and Epistemology I like thinking about – and helping other people think about – logic and philosophy and the many different ways they can inform each other.


To receive updates from this site, subscribe to the RSS feed in your feed reader. Alternatively, follow me at, where most updates are posted.


This site is powered by Netlify, GitHub, Hugo, Bootstrap, and coffee.   ¶   © 1992– Greg Restall.