Recent News

For the first time in my home owning career, the picket fence outside my home sports a how-to-vote sign.

This is a change for me. I’m a member of no political party, and I’ve never encouraged my neighbours to vote in any particular way. For almost all of my life, I’ve lived in safe Labor seats, from growing up in working class Brisbane to living in the inner north of Melbourne, my members of Federal Parliament have all been members of the ALP in safe seats. (Only short sojourns in Toowong and Marsfield found me in conservative territory.) My vote in my electorate hasn’t made a difference over the years.

More importantly, I think that there is much more to politics than voting. It’s one thing to distribute a few votes once every few years in to record your voice about how we are governed. There are plenty of other, more effective ways to take part in our common life, both locally, and globally. Broader political action can take many different forms, beyond party politics. Different forms of political action include investigating and exposing injustice or corruption, campaigning for change, making proposals for different ways to do things, protesting, raising awareness, building alternative communities and political structures and resisting injustice—through to covert and overt struggle and revolution. Politics is a complicated business with many different strands.

So, given all of that, why do I have a campaign poster on my fence?

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A few weeks ago, Richard Marshall interviewed me for 3am Magazine’s series of interviews with philosophers. If you’re interested in my work on logical pluralism, proof theory and things like that, this interview might be a good place to start. I hope you like it. If you’ve got any questions, please let me know.

Prompted by a colleague and friend (thanks Ruth!), I’ve been asking students who took my upper level logic subjects last year what they learned about how to learn logic. This is helpful for me—I get a better understanding of how students are learning. It’s hopefully helpful for them, too, to reflect more explicitly on how they learn. But most of all, I hope that their reflections will help students who come after them.

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Models for Compatibility

11 February 2016

This morning I received an email from Rachael Briggs, asking me some questions about the notion of compatibility as it appears in my paper “Negation in Relevant Logics.” These questions got me to thinking that there were some ideas in that paper and a much-less-read paper of mine “Modelling Truthmaking”, which might be worth reflecting on some more. So I’ll try to do that here. Here’s the background you need to get up to speed.

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I’ve been away from home in Auckland at a conference over the last couple of days, so I’m a bit behind on the news, but tonight I’ve finally found a few moments to write something in honour of my friend and mentor, Bruce French, who was—three days ago—named an Officer of the Order of Australia in the 2016 Australia Day Honour’s list. Bruce was awarded this honour because of his many decades of work, learning about tropical food plants throughout the Pacific, Asia and Africa, cataloguing that knowledge and making it freely available to anyone who can use it.

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Recent Writing

  • Review of Advances in Proof-Theoretic Semantics edited by Thomas Piecha and Peter Schroeder-Heister, Notre Dame Philosophical Reviews (2016) Abstract
  • “Fixed Point Models for Theories of Properties and Classes,” article under submission. Abstract  pdf
  • “On Priest on Nonmonotonic and Inductive Logic,” Thought, 5:2 (2016) 119–124 Abstract  pdf
  • “Three Cultures—or: what place for logic in the humanities?” unpublished essay. Abstract  pdf
  • “Generality and Existence I: Quantification and Free Logic,” article in progress. Abstract  pdf

Recent & Upcoming Presentations

Recent & Upcoming Classes


I’m Greg Restall, and this is my personal website. I teach philosophy and logic as Professor of Philosophy at the University of Melbourne. ¶ Start at the home page of this site—a compendium of recent additions around here—and go from there to learn more about who I am and what I do. ¶ This is my personal site on the web. Nothing here is in any way endorsed by the University of Melbourne.



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