•  306
    Review of Graham Oppy, Arguing About Gods (review)
    Notre Dame Philosophical Reviews 2007 (5). 2007.
  •  30
    “We are always already thrown into concrete factual circumstances, facing possibilities that we need to come to grips with. By choosing some we exclude others, thus making them no longer possible. What we are thrown into is the past and present, and the possibilities loom ahead of us, though we may try to turn our back on them. The future is the home of the possibilities while the present and past define the circumstances in which we make our choices, circumstances we can no longer affect.”…Read more
  •  113
    Independent Tests and the Log‐Likelihood‐Ratio Measure of Confirmation
    Thought: A Journal of Philosophy 3 (2): 124-135. 2014.
    I shall offer some very plausible assumptions for the measure of confirmation and show that they imply that E confirms H relative to background K to degree f/PK), where f is a strictly increasing function. An additional assumption about how measures of confirmation combine then makes f be proportional to a logarithm
  •  319
    Possibility is not consistency
    Philosophical Studies 172 (9): 2341-2348. 2015.
    We shall use Gödel’s Second Incompleteness Theorem to show that consistency is not possibility, and then argue that the argument does serious damage to some theories of modality where consistency plays a major but not exclusive role
  •  143
    A response to Almeida and Judisch
    with Richard M. Gale
    International Journal for Philosophy of Religion 53 (2): 65-72. 2003.
    Our new cosmological argument for the existence of God weakens the usual Principle of Sufficient Reason premise that every contingent true proposition has an explanation to a weaker principle (WPSR) that every such proposition could have an explanation. Almeida and Judisch have criticized the premises of our argument for leading to a contradiction. We show that their argument fails, but along the way we are led to clarify the nature of the conclusion of our argument. Moreover, we discuss an argu…Read more
  •  121
    Problems with plurals
    Oxford Studies in Metaphysics 9. 2015.
    Plural quantification, often used to evade Russell paradoxes, will lead back to them, given certain assumptions about propositions. This chapter provides a more generalized version of the path to paradox by showing that any theory that makes possible the construction of an appropriate packaging relation falls prey to a Russell paradox. It gives examples of widely-held metaphysical theories that require such a relation. It shows that the paradoxes that can result from plural quantification are mo…Read more
  •  31
    It is widely accepted that divine creation of human beings is compatible with evolutionary theory, except perhaps in regard of the human soul, and that neo-Darwinian evolutionary theory provides an explanation of speciation and of complex features of organisms that undercuts Paley-style teleological arguments, whether or not the evolutionary mechanisms are truly random or deterministic. I will argue that a plausible understanding of the doctrine of creation of human beings is either logically or…Read more
  •  406
    A gödelian ontological argument improved
    Religious Studies 45 (3): 347-353. 2009.
    Gödel's ontological argument is a formal argument for a being defined in terms of the concept of a positive property. I shall defend several versions of Gödel's argument, using weaker premises than Anderson's (1990) version, and avoiding Oppy's (1996 and 2000) parody refutations
  •  374
    The ontological argument and the motivational centres of lives
    Religious Studies 46 (2): 233-249. 2010.
    Assuming S₅, the main controversial premise in modal ontological arguments is the possibility premise, such as that possibly a maximally great being exists. I shall offer a new way of arguing that the possibility premise is probably true
  •  238
    McGrew, McGrew and Vestrup (MMV) have argued that the fine-tuning anthropic principle argument for the existence of God fails because no probabilities can be assigned to the likelihood that physical constants fall in some finite interval. In particular, the fine-tuning argument that, say, some constant must lie in the range (1.000,1.001) in order for intelligent life to be possible is no better than a seemingly absurd coarse-tuning argument based on the need for that constant to lie in the range…Read more
  •  149
    Philosophy and Language
    Proceedings of the American Catholic Philosophical Association 84 213-222. 2010.
    I shall discuss the problem of the definition of lying and the formulation of the duty of truthtelling. I shall argue that the morality of assertion is a special case of the morality of endorsement, and that a criterion of adequacy for an account of lying is that it handles certain cases of dishonest endorsement as well. Standardviews of lying fail to do so. I shall offer an account of the duty of honest endorsement in terms of the intention to avoid falsehood. But, in the end, we may simplyhave…Read more
  •  96
    Atheism & Theism (review)
    with R. M. Gale
    Faith and Philosophy 16 (1): 106-113. 1999.
  •  317
    The cardinality objection to David Lewis's modal realism
    Philosophical Studies 104 (2): 169-178. 2001.
    According to David Lewis's extreme modal realism, every waythat a world could be is a way that some concretely existingphysical world really is. But if the worlds are physicalentities, then there should be a set of all worlds, whereasI show that in fact the collection of all possible worlds is nota set. The latter conclusion remains true even outside of theLewisian framework.
  •  267
    David Lewis (1979) has argued that according to his possible worlds analysis of counterfactuals, “backtracking” counterfactuals of the form “If event A were to happen at tA, then event B would happen at tB” where tB precedes tA, are usually false if B does not actually happen at tB. On the other..
  •  17
    In the first chapter of Romans, Paul tells us that the power and deity of God are evident from what he has created. One reading of this is that there is an argument from the content of what has been created. Thus, the Book of Wisdom, which may well have been the source of Paul’s ideas here, says that “from the greatness and beauty of created things their original author, by analogy, is seen” (13:5, NAB). This is a kind of teleological or design argument. But one might also argue instead from gen…Read more
  •  26
    Plantinga starts by outlining an apparent conflict between certain claims of methodologically naturalist science and Christian faith. The conflict is not a logical contradiction, at least not once we are dealing with the more cautious “minus” versions of the doctrines, but some weaker relation such as the rational impossibility of believing both. 2. Scepticism about Simonian science..
  •  9
    As Mark Murphy has recently shown, standard justifications of universal divine authority are insufficient. [1] By “divine authority” I shall mean the doctrine that obedience is morally owed to God by all. God would not give us a command that we did not have a reason to act in accordance with, Murphy argues, but it does not follow that we would be obliged, much less morally obliged, to have the fact of God’s having commanded the action be among our practical reasons for the action. We might, for …Read more