Patrick Todd

There is a familiar debate between Russell and Strawson concerning bivalence and ‘the present King of France’. According to the Strawsonian view, ‘The present King of France is bald’ is neither true nor false, whereas, on the Russellian view, that proposition is simply false. In this paper, I develop what I take to be a crucial connection between this debate and a different domain where bivalence has been at stake: future contingents. On the familiar ‘Aristotelian’ view, future contingent propositions are neither true nor false. However, I argue that, just as there is a Russellian alternative to the Strawsonian view concerning ‘the present King of France’, according to which the relevant class of propositions all turn out false, so there is a Russellian alternative to the Aristotelian view, according to which future contingents all turn out false, not neither true nor false. The result: contrary to millennia of philosophical tradition, we can be open futurists without denying bivalence.

Everyone agrees that we can’t change the past. But what about the future? Though the thought that we can change the future is familiar from popular discourse, it enjoys virtually no support from philosophers, contemporary or otherwise. In this paper, I argue that the thesis that the future is mutable has far more going for it than anyone has yet realized. The view, I hope to show, gains support from the nature of prevention, can provide a new way of responding to arguments for fatalism, can account for the utility of total knowledge of the future, and can help in providing an account of the semantics of the English progressive. On the view developed, the future is mutable in the following sense: perhaps, once, it was true that you would never come to read a paper defending the mutability of the future. And then the future changed. And now you will.

Central to Fischer and Ravizza's theory of moral responsibility is the concept of guidance control, which involves two conditions: (1) moderate reasons-responsiveness, and (2) mechanism ownership. We raise a worry for Fischer and Ravizza's account of (1). If an agent acts contrary to reasons which he could not recognize, this should lead us to conclude that he is not morally responsible for his behaviour; but according to Fischer and Ravizza's account, he satisfies the conditions for guidance control and is therefore morally responsible. We consider ways in which the account of guidance control might be mended.

At least since Aristotle’s famous 'sea-battle' passages in On Interpretation 9, some substantial minority of philosophers has been attracted to the doctrine of the open future--the doctrine that future contingent statements are not true. But, prima facie, such views seem inconsistent with the following intuition: if something has happened, then (looking back) it was the case that it would happen. How can it be that, looking forwards, it isn’t true that there will be a sea battle, while also being true that, looking backwards, it was the case that there would be a sea battle? This tension forms, in large part, what might be called the problem of future contingents. A dominant trend in temporal logic and semantic theorizing about future contingents seeks to validate both intuitions. Theorists in this tradition--including some interpretations of Aristotle, but paradigmatically, Thomason (1970), as well as more recent developments in Belnap, et. al (2001) and MacFarlane (2003, 2014)--have argued that the apparent tension between the intuitions is in fact merely apparent. In short, such theorists seek to maintain both of the following two theses: (i) the open future: Future contingents are not true, and (ii) retro-closure: From the fact that something is true, it follows that it was the case that it would be true. It is well-known that reflection on the problem of future contingents has in many ways been inspired by importantly parallel issues regarding divine foreknowledge and indeterminism. In this paper, we take up this perspective, and ask what accepting both the open future and retro-closure predicts about omniscience. When we theorize about a perfect knower, we are theorizing about what an ideal agent ought to believe. Our contention is that there isn’t an acceptable view of ideally rational belief given the assumptions of the open future and retro-closure, and thus this casts doubt on the conjunction of those assumptions.

There are various argumentative strategies for advancing the claim that God does not exist. One such strategy is this. First, one notes that God is meant to have a certain divine attribute (such as omniscience). One then argues that having the relevant attribute is impossible. One concludes that God doesn't exist. For instance, Dennis Whitcomb's recent paper, ‘Grounding and omniscience’, proceeds in exactly this way. As Whitcomb says, ‘I'm going to argue that omniscience is impossible and that therefore there is no God.’ This is not, I hope to show, a very promising way to start a paper. If having a given property is impossible, the greatest possible being need not have that property. Accordingly, the argumentative strategy in question is doomed to failure. The upshot of this article is a quite general one concerning how arguments against the existence of God in fact must proceed.

The plane was going to crash, but it didn't. Johnny was going to bleed to death, but he didn't. Geach sees here a changing future. In this paper, I develop Geach's primary argument for the (almost universally rejected) thesis that the future is mutable (an argument from the nature of prevention), respond to the most serious objections such a view faces, and consider how Geach's view bears on traditional debates concerning divine foreknowledge and human freedom. As I hope to show, Geach's view constitutes a radically new view on the logic of future contingents, and deserves the status of a theoretical contender in these debates.

Nelson Pike’s article, “Divine Omniscience and Voluntary Action,” is one of the most influential pieces in contemporary Philosophy of Religion. Published over forty years ago, it has elicited many different kinds of replies. We shall set forth some of the main lines of reply to Pike’s article, starting with some of the “early” replies. We then explore some issues that arise from relatively recent work in the philosophy of time; it is fascinating to note that views suggested by recent work in this area and related areas of metaphysics have implications for Pike’s argument - implications perhaps not previously noticed.