Brian Leftow offers a theist theory of necessity and possibility, and a new sort of argument for God's existence. He argues that necessities of logic and mathematics are determined by God's nature, but that it is events in God's mind - his imagination and choice - that account for necessary truths about concrete creatures.

Brian Leftow makes an important contribution to the longstanding debate among philosophers and theologians about the nature of God's eternity. The author develops a powerful and original defense of the notion that God is eternal in that he exists timelessly; that is, that though God exists, he does not exist at any time. Leftow defends the claim that a timeless God can be an object of human experience, and he attempts to delineate the extent of such a (...) God's omniscience. Finally, the author pays special attention to the relation between the claim that God is timeless and the claim that God is metaphysically simple. (shrink)

William Hasker replies to my arguments against Social Trinitarianism, offers some criticism of my own view, and begins a sketch of another account of the Trinity. I reply with some defence of my own theory and some questions about his.

[I] Introduction The Western religions all claim that God is eternal. This claim finds strong expression in the Old Testament, which is common property of ...

"Anselm of Canterbury gave the first modal "ontological" argument for God's existence. Yet, despite its distinct originality, philosophers have mostly avoided the question of what modal concepts the argument uses, and whether Anselm's metaphysics entitles him to use them. Here, Brian Leftow sets out Anselm's modal metaphysics. He argues that Anselm has an "absolute", "broadly logical", or "metaphysical" modal concept, and that his metaphysics provides acceptable truth makers for claims in this modality. He shows that his modal argument (...) is committed to the Brouwer system of modal logic, and defends the claim that Brouwer is part of the logic of "absolute" or "metaphysical" modality. He also defends Anselm's premise that God would exist with absolute necessity against all extant objections, providing new arguments in support of it and ultimately defending all but one premise of Anselm's best argument for God's existence"--. (shrink)

Latin models of the Trinity begin from the existence of one God, and try to explain how one God can be three Persons. I offer an account of this based on an analogy with time-travel. A time-traveler returning to the same point in time repeatedly might have three successive events in his/her life occurring at that one location in public time. So too, God’s life might be such that three distinct parts of His life are always occurring at once, though (...) without any succession between them, and this might give God the triune structure Christian theology believes He has. (shrink)

Before Duns Scotus, most philosophers agreed that God is identical with His necessary intrinsic attributes--omnipotence, omniscience, etc. This Identity Thesis was a component of widely held doctrines of divine simplicity, which stated that God exemplifies no metaphysical distinctions, including that between subject and attribute. The Identity Thesis seems to render God an attribute, an abstract object. This paper shows that the Identity Thesis follows from a basic theistic belief and does not render God abstract. If also discusses how one might (...) move from the Identity Thesis to the full doctrine of divine simplicity and shows that the Identity Thesis generates a new ontological argument. (shrink)

I explain the doctrine of divine simplicity, and reject what is now the standard way to explicate it in analytic philosophy. I show that divine simplicity imperils the claim that God is free, and argue against a popular proposal for dealing with the problem.

I display the historical roots of perfect being theology in Greco-Roman philosophy, and the distinctive reasons for Christians to take up a version of this project. I also rebut a recent argument that perfect-being reasoning should lead one to atheism.

Augustine, Aquinas and many other medievals held the doctrine of divine simplicity (DDS) -that God has no parts of any sort. Augustine took this to imply that for any non-relational attribute F, if God is F, God = Fness. This can seem to create three problems. I set them out. Having done so, I show that Augustine's DDS is set within a view of attributes now unfamiliar to us. When we bring this into the picture, it turns out that two (...) of the problems do not really arise and the third is not really problematic. I then suggest that my rescue of Augustine may rescue other prominent friends of DDS as well. (shrink)

The doctrine that God is omnipotent takes its rise from Scriptural texts which concern two linked topics. One is how much power God has to put behind actions: enough that nothing is too hard, enough to do whatever he pleases. The other is how much God can do: ‘all things’. The link is obvious: we measure strength by what tasks it is adequate to perform, and God is so strong he can do all things. The Christian philosophical theologian who seeks (...) to explicate omnipotence seeks a convincing account of the reality beneath the ‘phenomena’ of Scripture. This article looks briefly at some historic accounts of omnipotence. It emerges that the early history of the concept emphasized strength more than range of action, with range coming to prominence in Aquinas's day. Three recent attempts to define omnipotence are then considered. All are found wanting, but the author draws morals that help him hazard his own definition. (shrink)

Most analytic philosophers hold that if God exists, He exists with broad logical necessity. Richard Swinburne denies the distinction between narrow and broad logical necessity, and argues that if God exists, His existence is narrow-logically contingent. A defender of divine broad logical necessity could grant the latter claim. I argue, however, that not only is God's existence broad-logically necessary, but on a certain understanding of God's relation to modality, it comes out narrow-logically necessary. This piece argues against Swinburne's overall account (...) of modality and rebuts his argument for narrow-logical contingency. (shrink)

Jeff Speaks has recently argued that perfect being theology treating God as the greatest possible being—he calls it alethic perfect being theology—cannot deliver new information about God. This argument is central to his critique of all forms of perfect being theology. For as Speaks sees it, other forms of perfect being theology may collapse into alethic perfect being theology, i.e. fail in the end to be a different sort of project. I lay out how he understands alethic perfect being theology (...) and then contest his argument. (shrink)

Western theism holds that God cannot do evil. Christians also hold that Christ is God the Son and that Christ was tempted to do evil. These claims appear to be jointly inconsistent. I argue that they are not.

This chapter presents and critically discusses the main historical variants of the “ontological argument,” a form of a priori argument for the existence of God pioneered by Anselm of Canterbury. I assess the contributions of Anselm, Descartes, Leibniz, and Gödel, and criticisms by Gaunilo, Kant, and Oppy among others.

William Hasker has rejected my rejection of his criticisms of my “Latin” account of the Trinity. I now reject his rejection.

I explicate and defend leibniz's argument from "eternal truths" to the existence of god. I argue that necessary beings can be caused to exist, Showing how one can apply a counterfactual analysis to such causation, Then argue that if such beings can be caused to exist, They are.

I rebut four claims made in a recent article by Katherin Rogers. En route I discuss how a timeless God might perceive all of “tensed” time at once.

One central claim of orthodox Christianity is that in Jesus of Nazareth, God became man. On Chalcedonian orthodoxy, this involves one person, God the Son, having two natures, divine and human. If He does, one person has two properties, deity and humanity. But the Incarnation also involves concrete objects, God the Son (GS), Jesus’s human body (B) and—I will assume—Jesus’s human soul (S). If God becomes human, GS, B and S somehow become one thing. It would be good to have (...) a metaphysical account of their oneness. I have suggested one. Thomas Senor has criticized my suggestion. I now reply to his case. (shrink)

After defining presentism, I consider four arguments that presentism and divine atemporality are incompatible. I identify an assumption common to the four, ask what reason there is to consider it true, and argue against it.

William Hasker replies to my arguments against social Trinitarianism, offers some criticism of my own view, and begins a sketch of another account of the Trinity. I reply with some defence of my own theory and some questions about his.

After defining presentism, I consider four arguments that presentism and divine atemporality are incompatible. I identify an assumption common to the four, ask what reason there is to consider it true, and argue against it.

My God and Necessity offers a theist a theory of modal truth. Two recent articles criticize the theory’s motivation and main features. I reply to these criticisms.

I give an account of the nature of absolute or metaphysical necessity. Absolute-necessarily P, I suggest, just if it is always the case that P and there never is or was a power with a chance to bring it about, bring about a power to bring it about, etc., that not P. I display both advantages and a cost of this sort of definition.

Richard Brian Davis offers several criticisms of a semantics I once proposed for subjunctive conditionals with impossible antecedents. I reply to these.

I offer part of an account of divine moral perfection. I defend the claim that moral perfection is possible, then argue that God has obligations, so that one part of his moral perfection must be perfection in meeting these. I take up objections to divine obligations, then finally offer a definition of divine deontic perfection.