Australian National University
School of Philosophy
PhD, 2005
London, London, City of, United Kingdom of Great Britain and Northern Ireland
Areas of Specialization
Normative Ethics
  •  315
    A good life, or a life worth living, is a one that is "better than nothing". At least that is a common thought. But it is puzzling. What does "nothing" mean here? It cannot be a quantifier in the familiar sense, yet nor, it seems, can it be a referring term. To what could it refer? This paper aims to resolve the puzzle by examining a number of analyses of the concept of a life worth living. Temporal analyses, which exploit the temporal structure of lives, are distinguished from non-temporal ones…Read more
  •  474
    Still no redundant properties: reply to Wielenberg
    Journal of Ethics and Social Philosophy 3 (3): 1-6. 2012.
    No abstract.
  •  208
    Prioritarianism for Variable Populations
    Philosophical Studies 134 (3): 325-361. 2007.
    Philosophical discussions of prioritarianism, the view that we ought to give priority to those who are worse off, have hitherto been almost exclusively focused on cases involving a fixed population. The aim of this paper is to extend the discussion of prioritarianism to encompass also variable populations. I argue that prioritarianism, in its simplest formulation, is not tenable in this area. However, I also propose several revised formulations that, so I argue, show more promise.
  •  211
    Bart Streumer argues that a certain variety of consequentialism – he calls it ‘semi-global consequentialism’ – is false on account of its falsely implying the possibility of ‘blameless wrongdoing’. This article shows (i) that Streumer's argument is nothing new; (ii) that his presentation of the argument is misleading, since it suppresses a crucial premiss, commonly called ‘agglomeration’; and (iii) that, for all Streumer says, the proponent of semi-global consequentialism may easily resist his a…Read more
  •  514
    Minding the Is-Ought Gap
    Journal of Philosophical Logic 43 (1): 53-69. 2014.
    The ‘No Ought From Is’ principle (or ‘NOFI’) states that a valid argument cannot have both an ethical conclusion and non-ethical premises. Arthur Prior proposed several well-known counterexamples, including the following: Tea-drinking is common in England; therefore, either tea-drinking is common in England or all New Zealanders ought to be shot. My aim in this paper is to defend NOFI against Prior’s counterexamples. I propose two novel interpretations of NOFI and prove that both are true
  •  228
    I can't make you worship me
    with Y. Nagasawa
    Ratio 18 (2): 138-144. 2005.
    This paper argues that Divine Command Theory is inconsistent with the veiw, held by many theists, that we have a moral obligation to worship God.
  •  401
    Two Versions of Hume's Law
    Journal of Ethics and Social Philosophy 1 (1): 2-7. 2015.
    Moral conclusions cannot validly be inferred from nonmoral premises – this principle, commonly called “Hume’s law,” presents a conundrum. On one hand, it seems obviously true, and its truth is often simply taken for granted. On the other hand, an ingenious argument by A. N. Prior seems to refute it. My aim here is a resolution. I shall argue, first, that Hume’s law is ambiguous, admitting both a strong and a weak interpretation; second, that the strong interpretation is false, as shown by Prior’…Read more
  •  190
    Two kinds of holism about values
    Philosophical Quarterly 57 (228). 2007.
    I compare two kinds of holism about values: G.E. Moore's 'organic unities', and Jonathan Dancy's 'value holism'. I propose a simple formal model for representing evaluations of parts and wholes. I then define two conditions, additivism and invariabilism, which together imply a third, atomism. Since atomism is absurd, we must reject one of the former two conditions. This is where Moore and Dancy part company: whereas Moore rejects additivism, Dancy rejects invariabilism. I argue that Moore's view…Read more
  •  1796
    Consequentialize This
    Ethics 121 (4): 749-771. 2011.
    To 'consequentialise' is to take a putatively non-consequentialist moral theory and show that it is actually just another form of consequentialism. Some have speculated that every moral theory can be consequentialised. If this were so, then consequentialism would be empty; it would have no substantive content. As I argue here, however, this is not so. Beginning with the core consequentialist commitment to 'maximising the good', I formulate a precise definition of consequentialism and demonstrate…Read more