An Introduction to Ontology, Polity Press, 2013.

Key Concepts in Metaphysics, Routledge, 2010. (co-authored with Helen Beebee and Philip Goff)

Persistence, Polity Press (under contract; to be completed 2015)


Where the link is to a final draft, please cite the published article.

The Location of PropertiesNoûs (forthcoming).

Properties are Potatoes?: An essay on ontological parsimony, in The Palgrave Handbook of Philosophical Methods ed. Chris Daly (forthcoming).

Multiple Location and Christian Philosophical Theology, Faith and Philosophy 32 (2015): 25-44.

Contemporary Philosophy, in Time Travel in the Media: Philosophy and Theory ed. Matthew Jones and Joan Ormrod (2015): 20-34.

Harmoniously Investigating Concrete StructuresThought 2 (2013): 190-95.

Impure sets may be located: A reply to Cook, Thought 1 (2012): 330-36.

Talking about something (but really talking about nothing), Analysis 72 (2012): 329-40.

Endurantism and Perdurantism, in Continuum Companion to Metaphysics ed. Barnard and Manson (2012): 170-97.

An Unwelcome Consequence of the Multiverse Thesis, Synthese 184 (2012): 375-86.

Undermining Motivations for Universalism, Noûs 45 (2011): 696-713.

Universalism and Classes, dialectica 65 (2011): 451-72.

Sider, Hawley, Sider and the Vagueness Argument, Philosophical Studies 154 (2011): 241-50.

Temporal Parts and Time Travel, Erkenntnis 74 (2011): 225-40.

Mereological Explanation and Time Travel, Australasian Journal of Philosophy 88 (2010): 333-45.

The Metaphysics of Groups, Philosophical Studies 149 (2010): 251-67.

Composition, Persistence and Identity, in The Routledge Companion to Metaphysics ed. Le Poidevin, Simons, McGonigal and Cameron (2009): 296-309.

Universalism, Vagueness and SupersubstantivalismAustralasian Journal of Philosophy 87 (2009): 35-42.

A Mereological Challenge to Endurantism (with Jon Robson) Australasian Journal of Philosophy 85 (2007): 633-40

Endurantism and Timeless Worlds (with Joseph Melia) Analysis 67 (2007): 140-7 [the link is to the publisher's website]

Book Reviews

Review of Michael Almeida's 'The Metaphysics of Perfect Beings', European Journal for Philosophy of Religion (forthcoming)

Review of Anthony Everett's 'The Nonexistent', Notre Dame Philosophical Reviews available at

Review of Thomas Sattig's 'The Double Lives of Objects', Philosophical Quarterly (invited submission).

Review of Gabriele Galluzzo and Michael J. Loux's 'The Problem of Universals in Contemporary Philosophy', Notre Dame Philosophical Reviews (invited submission).

Works in Progress

Mereological Nominalism Renewed

If All The Songs Were Sets

Unpublished Works

This section is for those papers that, for whatever reason (rejected replies etc.), are unlikely to see the light of day in their current form.

Heterodox truthmaking theory can be defended by cost/benefit analysis (Rejected Analysis reply)

Debunking a Mereological Myth (Wrote this ages ago; never going to work it up into a full article; outdated by  more recent efforts by other philosophers)

Celebrities Discuss Philosophy (Never intended for publication in a research journal)


My thesis is titled 'The Restricted Composition of Material Objects'. I call it 'Typofest 2007'. Feel free to download a copy by clicking here.