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Publications

Philosophy of Mind / Metaphysics 

(Awarded Runner-up to 2017 Sanders Prize in Metaphysics.Draft version coming soon.

I argue that the fragmentalist framework introduced by Fine (2005) can be deployed to solve problems for B-theorist endurantists, and also to understand the quantum state in such a way that it is more or less all there is to the universe, it is grounded in its branches, and these branches are grounded in beables. 


(Philosophical Studies, forthcoming. Online version Published Sept. 24, 2016. DOI 10.1007/s11098-016-0790-4.) Draft version here.

I argue that there can be no such thing as a borderline case of the predicate `phenomenally conscious': for any given creature at any given time, it cannot be vague whether that creature is phenomenally conscious at that time. I first defend the Positive Characterization Thesis, which says that for any borderline case of any predicate there is a positive characterization of that case that can show any sufficiently competent speaker what makes it a borderline case. I then appeal to the familiar claim that zombies are conceivable, and I argue that this claim entails that there can be no positive characterizations of borderline cases of `phenomenally conscious'. By the Positive Characterization Thesis, it follows that `phenomenally conscious' can not have any borderline cases.


NDPR Review, Michael Pelczar, "Sensorama: A Phenomenalist Analysis of Spacetime and its Contents"
. Published 2015.10.15 

Critical review of Michael Pelczar's novel, scientifically informed argument for idealism.


Indeterminate Comprehension
(Thought, Vol. 3, No. 1, March 2014, pp. 39-48). Draft version here.

Can we solve the Problem of the Many, and give a general account of the indeterminacy in the definite descriptions that give rise to it, by appealing to metaphysically indeterminate entities? I argue that we cannot. I identify a feature common to the relevant class of definite descriptions, and derive a contradiction from the claim that each such description is satisfied by a metaphysically indeterminate entity (a Comprehension principle for indeterminate definite descriptions).



What is Acquaintance with Consciousness?
(Consciousness Inside and Out: Phenomenology, Neuroscience, and the Nature of Experience, ed. Richard Brown. Studies in Brain and Mind ed. Gualtieri Piccinini, Springer. Vol. 6, 2014, pp 103-118). Draft version here

Distinguishes various versions of the idea that the concept ‘consciousness’ acquaints us with consciousness. Distinguishes these acquaintance theses from the premises of Jackson and Chalmers’ anti-materialist arguments; argues that the acquaintance theses are stronger. Then argues that, pace Phillip Goff, none of these acquaintance theses imply anything about the non-vagueness of ‘consciousness’.


The Protestant Theory of Determinable Universals 
(Johanssonian Investigations. Essays in Honour of Ingvar Johansson on His Seventieth Birthday. eds. Svennerlind, C., Almäng, J., & Ingthorsson, R. Berlin, Boston: De Gruyter. 2013. pp. 503-515.). Draft version here.

Some, such as Ingvar Johansson, have argued that in addition to determinate universals like Red27 and Red28 there are determinable universals like Colored. Johannson defends a relatively austere theory, where only maximally determinable universals like Colored exist in addition to determinates like Red27. This paper argues that, if we must countenance determinable universals at all, we should countenance intermediary ones like Cardinal Red to intervene between the lowly determinates and highest determinables.


Truthmaker Explanations with Barry Smith
(Truthmakers and Metaphysics, ed. Monnoyer J.M., Frankfurt a.M.: Ontos 2007, pp. 105–156.  (Reprinted in translation as “Explications Verifactionnistes” (trans. Anne-Marie Boisvert), Philosophiques, Vol. 38 No. 1, 2011, pp.177-194.))

Armstrong argues that Truthmaker theory is needed to provide both a real definition of Truth and a nominal definition of 'Truth'. This argument is flawed, since the core insight of Truthmaker theory is compatible with deflationism about truth: asking for truthmakers is a way of asking for ontological explanation in the formal mode. In this paper we argue that Armstrong's case for Truthmaker Maximalism hinges on the flawed argument, and accordingly, his case for Truthmaker Maximalism fails. The paper also develops a characterization of ontological commitment in truthmaker terms, and discusses the methodology appropriate to the search for truthmakers, giving examples.


Is Time-Travel a Problem for the Three-Dimensionalist?
(The Monist, Vol. 88, No. 3, 2005, pp. 353-361)

Argues, pace Ted Sider, that the four-dimensionalist has about as much trouble distinguishing between time travel scenarios as the three-dimensionalist. Still, time travel shows that three-dimensionalists must relativize property instantiation to some parameter besides (or in addition to) objective time, and this may be problem enough.




Knowledge Representation (Informatics/AI) :

Formal Ontology for Natural Language Processing and the Integration of Biomedical Databases
(Simon, J., Fielding, M., Dos Santos, M., Smith, B.
International Journal of Medical Informatics, 75 (3-4), 2005, pp. 224-231.)


Demonstrates the utility of the IFOMIS project's philosophically informed taxonomy system for the resolution of ambiguities and inconsistencies within medical databases and database tools, and for the standardization of mappings between them.


How to Be a Bicategorialist About Persistents
(Proceedings of FOIS 2004 (Formal Ontology in Information Systems). IOS Press. 2004, pp. 60-69 )

Sketches a bicategorical logic of participation. The logic is designed to accommodate the idea that objects (endurants) participate in events (perdurants) without literally being parts of those events. A class of intended models is identified, some semantic theorems are informally (set-theoretically) derived, and then an axiomatic theory is presented from which analogues of the semantic theorems are formally derivable.




Law / Political Philosophy

(Wash. Int'l L.J. 26.2, Forthcoming 2017)


Territorial loss owing to sea level rise presents novel challenges to the international legal order. Nowhere is this clearer than in the case of small island states like the Maldives, Tuvalu and Kiribati, whose very existence is in jeopardy. In our recent article, Sinking Into Statelessness, we argue that the principle of presumption of continuity of state existence does not ensure that sinking states shall or may retain their legal statehood, because that principle cannot overrule the fact that territoriality is a constitutive feature of legal statehood. Here, we argue that even if, contra our previous conclusion, submerged states retain their legal statehood, territory is nevertheless necessary in order for a state to confer nationality in the sense of the 1954 Convention Relating to the Status of Stateless Persons: that is, for a state to consider someone a national under the operation of its law. In consequence, even granting that such a state could exist and have members, its members would need nationality in another state in order to avoid de jure statelessness. To establish this claim, we will argue that for a state to consider someone a national under the operation of its law, that state must be capable of complying with the duty to readmit nationals when requested to do so by another state.



(Florida Journal of International Law, Vol. 26 No. 3 2014 pp 531-574)


Argues that it is not only a point of literal construction, but also inherent in the object and purpose of the 1951 Refugee Convention, that displaced stateless persons unable to return to their countries of former habitual residence may be eligible for refugee status even if unpersecuted. 'Unable to return' as it occurs in the clause following the semi-colon of 1(A)2 of the 1951 Refugee Convention must be understood as a term of art subject to appropriate canons of construction in its own right. Its construal must therefore be more restrictive than many commentators have suggested, though not so strict as to preclude all but persecuted persons. Then argues that, as a case study, those who are displaced from their island nations because those nations have submerged beneath the sea will count as 'unable to return' in the relevant sense, and so will qualify for Convention refugee status, if they count as lacking a nationality, i.e. as stateless.



Sinking Into Statelessness with Heather Alexander
(Tilburg Law Review, Special Issue on Statelessness, Vol. 19, No. 1-2, January 2014, pp.20-25)

[among Brill's 15 most downloaded papers in Law in Q1 2014!]


Argues that, contrary to the view of many scholars, and the findings of a recent U.N. panel of experts at Bellagio, the principle of presumption of continuity of state existence can play no role in disqualifying those whose island nations are submerged beneath the sea from the status of statelessness as defined by the 1954 and 1961 Statelessness Conventions.



Public Interest ("Op-Ed")

Boat Migrants to Australia Deserve their Refugee Rights with Christian Barry
(www.policyinnovations.com, October 1, 2012)


Considers the claim, influential in Australia, that boat migrants are "queue jumpers". Talks about what it takes to jump a queue, and argues that boat migrants are doing no such thing.