Online research in philosophy

Despite their influence on later philosophers such as Hume, Malebranche's central arguments for occasionalism remain deeply puzzling. Both the famous ‘no necessary connection’ argument and what I call the epistemic argument include assumptions – e.g., that a true cause is logically necessarily connected to its effect – that seem unmotivated, even in their context. I argue that a proper understanding of late scholastic views lets us see why Malebranche would make this assumption. Both arguments turn on the claim that a volition is the only candidate for a cause, because only a volition can include an effect as its intentional content.

Unlike many of Descartes’s other followers, Pierre-Sylvain Re´gis resists the temptations of occasionalism. By marrying the ontology of mechanism with the causal structure of concurrentism, Re´gis arrives at a novel view that both acknowledges God’s role in natural events and preserves the causal powers of bodies. I set out Re´gis’s position, focusing on his arguments against occasionalism and his responses to Malebranche’s ‘no necessary connection’ and divine concursus arguments.

In the last twenty years or so, the study of early modern philosophy seems to have experienced a revival of interest in Nicolas Malebranche. Some might wonder whether “revival” is the right term but I use it intentionally, since it is hardly the case that we for the first time are uncovering an obscure but talented figure from the bin of neglected, underappreciated philosophers. As one commentator has recently noted, Malebranche was hailed by none other than Pierre Bayle as “the premier philosopher of our age”1 and it has been well established that his work was widely read and influential.

In that it holds God to be the only true efficient cause, Malebranche’s occasionalism would seem to deny human freedom and to make God responsible for our sins. I argue that Malebranche’s occasionalism must be considered within its Cartesian framework; once one understands what it is to be an occasional cause in this context, Malebranche can be seen as saving a place for human freedom, and he can consistently hold that we are morally responsible for our actions.

There is a long-standing view that Malebranche and his fellow occasionalists accepted occasionalism to solve the problem of interaction between immaterial souls and extended bodies. Recently, however, scholars have shown this story to be a myth. Malebranche, Geulincx, La Forge, and Cordemoy adopted occasionalism for a variety of reasons, but none did so because of a need to provide a solution to a perceived mind-body problem. Yet there is one Cartesian for whom the “traditional” reading is largely on the mark. François Lamy argues in the second volume of his De la Connoissance de Soi-Meme much as the standard story has it. In this article I discuss and analyze Lamy’s argument, showing how he deals with some of the many concerns that made occasionalism attractive, and how he brings out some of the thorny questions that an occasionalist must face.

The core thesis of Malebranche’s doctrine of occasionalism is that God is the sole true cause, where a true cause is one that has the power to initiate change and for which the mind perceives a necessary connection between it and its effects. Malebranche gives two separate arguments for his core thesis, T, based on necessary connection and on divine power respectively. The standard view is that these two arguments are necessary to establish T. I argue for a reinterpretation of Malebranche’s strategy, according to which the Necessary Connection Argument alone is sufficient to establish T. The Divine Power Argument, which is anyway weaker, is needed not to support T but to bridge the gap between T and full-fledged occasionalism. Specifically, it is needed to rule out the existence of causal powers in nature, a scenario which is consistent with T but inconsistent with occasionalism.

Malebranche presents two major arguments for occasionalism: the “no necessary connection” argument (NNC) and the “conservation is but continuous creation” argument (CCC). NNC appears prominently in his Search After Truth but virtually disappears and surrenders the spotlight to CCC in his later major work, Dialogues on Metaphysics and on Religion . This paper investigates the possible reasons and motivations behind this significant shift. I argue that the shift is no surprise if we consider the two ways in which the CCC is preferable to NNC: it is not only more effective against opponents but also more consistent with his own views on freedom.

The doctrine that there are no logically necessary connections in nature can be used to support both occasionalism, according to which God alone can be a cause, and 'anti-occasionalism', according to which God cannot be a cause. Quentin Smith has recently invoked the 'no logically necessary connections in nature' doctrine in support of the latter. I bring two main objections against his thesis that God (logically) cannot be a cause. The first is that there are good reasons to think that there are irreducible dispositions in nature, and that where such dispositions are manifested, there are logically necessary causal connections. The second objection is that even if the 'no logically necessary connections in nature' doctrine is true, one is not forced to deny causal efficacy to God: with no breach in logical propriety, one may embrace occasionalism.

These essays examine the philosophical, scientific, theological and religious themes and arguments of occasionalism, as well as its roots in medieval views on ...