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Themes from Alan Weir; Glasgow 10 – 12 December

In a number of areas, Alan Weir has elaborated strikingly original views which involve a radical departure from the main-stream. These include formalism in the philosophy of mathematics, and as well as naïve set theory, with a universal set, and a naïve theory of truth. In contrast to other contemporary defenders of the latter two theories, Weir rejects dialetheism and accepts classical rules for the logical connectives. He avoids contradictions by restricting certain structural inference rules, specifically some generalized versions of transitivity. In addition, Weir has developed radical versions of naturalism and physicalism (partly informed by his work on Quine) and perceptual realism.

The aim of the workshop is to advance research on themes from Weir’s philosophy.

Everyone is welcome, but we request prior registration (at no cost): please email Adam Rieger ( by Monday 3 December if you would like to participate.

Postgraduate student bursaries: thanks to the Analysis Trust, we have up to five postgraduate students available, to cover up to 50% of the cost of accommodation (not travel). If you are interested in applying, please contact Adam Rieger as soon as possible.


Venue: Reid Room, Department of Philosophy, University of Glasgow (69 Oakfield Avenue).

Monday 10th December:

1-1:45: Pre-workshop Tutorial: An Introduction to the Philosophy of Alan Weir

2-3:30: Timothy Williamson (Oxford): ‘Alternative Logics and Applied Mathematics’


4-5:30: Stephan Krämer (Hamburg): ‘State-space semantics for state-space mereology’

Tuesday 11th December:

[9-9:30 coffee]

9:30-11: Stewart Shapiro (Ohio State): ‘Plurals, groups, and paradox’

11:15-12:45 Mary Leng (York): tba

2:15-3:45: Alan Weir: ‘A Mereological Theory of Properties and Relations’

4-5:30: Alex Miller (Otago, via video-link): ‘What is the Sceptical Solution?’

Wednesday 12th December:

[9-9:30 coffee]

9:30-11: Elia Zardini (Lisbon): ‘Against the World’

11:15-12:45: Marianna Antonutti Marfori (Munich): tba


2:15-3:45: James Levine (Trinity College Dublin): ‘On Quine’s Naturalism?’

4-5:30: John Divers (Leeds): ‘Metaphysical Modality and Objective Probability’

Updates will be posted at the website:

We gratefully acknowledge the support of the Analysis Trust, the Aristotelian Society, the Mind Association, the Scots Philosophical Association, and theSchool of Humanities, University of Glasgow.