My current research centers around three themes:
1. Thinking about the impossible
(a) An account of propositions as sets of possible and (non-trivial) impossible worlds. This allows an account of same-saying. It also explains how logically equivalent propositions can be distinct and hence how they can be made true by distinct entities.
(b) An account of epistemic possibility, which is non-trivial in the sense that not every set of sentences represents some epistemic/doxastic possibility, and non-ideal in the sense that some epistemic possibilities are logically impossible. The account can be used to give a semantics for 'knows' and 'believes' (and possibly other psychological attitudes).
2. The Nature of Truth
This project has three components, giving an account of (a) the truthmakers, (b) the truthbearers and (c) the relationship between them. As part of this research, I'm developing an account of (non-linguistic) facts, including negative, conjunctive and existential facts. This is based partially on David Armstrong's account of states of affairs. Formal features are taken from the typed lambda-calculus. Finally, I'm investigating a logic of 'truthmaking entailment', the relation which holds between propositions p and q when all of p's truthmakers also make q true.
3. Making up the world
The metaphysics of making: how a lump of stuff makes up some thing (material constitution); how some parts get together to make a unified whole (composition); whether (and if so, how) bundles of qualities make up a particular.
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Department of Philosophy
University of Nottingham
NG7 2RD, UK
firstname [dot] lastname [suitable symbol] nottingham.ac.uk