What is “Intervention”?

I begin by noting that several theologians and others object to special divine action (divine intervention and action beyond conservation and creation) on the grounds that it is incompatible with science. These theologians are thinking of classical Newtonian science; I argue that in fact classical science is in no way incompatible with special divine action, including miracle. What is incompatible with special divine action is the Laplacean picture, which involves the causal closure of the universe. I then note that contemporary, quantum mechanical science doesn't even initially appear to be incompatible with special divine action. Nevertheless, many who are well aware of the quantum mechanical revolution (including some members of the Special Divine Action Project) still find a problem with special divine action, hoping to find an understanding of it that doesn't involve divine intervention. I argue that their objections to intervention are not sound. Furthermore, it isn't even possible to say what intervention is, given the quantum mechanical framework. I conclude by offering an account of special divine action that isn't open to their objections to intervention.     

Schrödinger's Cat and Divine Action: Some Comments on the Use of Quantum Uncertainty to Allow for God's Action in the World

I present results of recent work in the field of quantum optics and relate this work to discussions about the theory of quantum mechanics and God's divine action in the world. Experiments involving atomic decay, relevant to event uncertainty in quantum mechanics, as well as experiments aimed at elucidating the so–called Schrödinger's–cat paradox, help clarify apparent ambiguities or paradoxes that I believe are at the heart of renewed attempts to locate God within our constructed physical theories and tend to narrow the gaps proposed as an opening for divine action. Some problems arise because of imprecise use of nonmathematical language to force quantum mechanics into an intuitive "classical" framework.     

Can Western Monotheism Avoid Substance Dualism?

The problem of divine agency and action is analogous to the problem of human agency and action: How is such agency possible in the absence of a dualistic causal interaction between disparate orders of being? This paper explores nondualistic accounts of divine agency that assert the following: (1) physical monism, (2) antireductionism, (3) physical realization, and (4) divine causal realism. I conclude that a robustly causal deity is incompatible with nonddualism's affirmation of physical monism. Specifically, I argue the incoherence of nondualistic strategies that advocate divine information transfer without energy transfer or the divine downward causation of physical events. Furthermore, I claim that the principle of explanatory exclusion makes any nondualistic, noninterventionist account of divine agency highly dubious. Finally, I suggest that Judaism, Christianity, and Islam can avoid a causally inert deity only if they are willing to deny the current presumption of the causal closure of the physical.     

THE FALSE PROMISE OF QUANTUM MECHANICS

The causal indeterminacy suggested by quantum mechanics has led to its being the centerpiece of several proposals for divine action that does not contradict natural laws. However, even if the theoretical concerns about the reality of causal indeterminacy are ignored, quantum‐level divine action fails to resolve the problem of ongoing, responsive divine activity. This is because most quantum‐level actions require a significant period of time in order to reach macroscopic levels whether via chaotic amplification or complete divine control of quantum events. Therefore, quantum‐level divine action either requires divine foreknowledge of purportedly free or random events or imposes such limitations on divine actions that they become late, potentially impotent, and confused. I argue that the theological problem of divine action remains; even at its most promising, quantum mechanics offers insufficient resolution. This failure suggests a reexamination of the assumptions that God is temporal and lacks foreknowledge of future contingencies.     

Does God Cheat at Dice? Divine Action and Quantum Possibilities

The recent debates concerning divine action in the context of quantum mechanics are examined with particular reference to the work of William Pollard, Robert J. Russell, Thomas Tracy, Nancey Murphy, and Keith Ward. The concept of a quantum mechanical "event" is elucidated and shown to be at the center of this debate. An attempt is made to clarify the claims made by the protagonists of quantum mechanical divine action by considering the measurement process of quantum mechanics in detail. Four possibilities for divine influence on quantum mechanics are identified and the theological and scientific implications of each discussed. The conclusion reached is that quantum mechanics is not easily reconciled with the doctrine of divine action.     

Divine Action and Quantum Theory

Recent articles by Nicholas Saunders, Carl Helrich, and Jeffrey Koperski raise important questions about attempts to make use of quantum mechanics in giving an account of particular divine action in the world. In response, I make two principal points. First, some of the most pointed theological criticisms lose their force if we attend with sufficient care to the limited aims of proposals about divine action at points of quantum indetermination. Second, given the current state of knowledge, it remains an open option to make theological use of an indeterministic interpretation of quantum mechanics. Any such proposal, however, will be an exploratory hypothesis offered in the face of deep uncertainties regarding the measurement problem and the presence in natural systems of amplifiers for quantum effects.     

God, Chaos, and the Quantum Dice

A recent noninterventionist account of divine agency has been proposed that marries the probabilistic nature of quantum mechanics to the instability of chaos theory. On this account, God is able to bring about observable effects in the macroscopic world by determining the outcome of quantum events. When this determination occurs in the presence of chaos, the ability to influence large systems is multiplied. This paper argues that, although the proposal is highly intuitive, current research in dynamics shows that it is far less plausible than previously thought. Chaos coupled to quantum mechanics proves to be a shaky foundation for models of divine agency.     

IS PHYSICS FUNDAMENTAL? ROBERT RUSSELL ON DIVINE ACTION

Robert Russell's theological work has been a helpful stimulus to the task of understanding the meaning of divine action and providence in the age of science. He relates God's direct action "fundamentally" to the hidden domain of quantum events, and his theology of nature deserves careful attention. It is questionable, however, whether the term fundamental as applied to quantum events by physical science may be taken over by theology without more careful qualification than Russell offers.     

Thomas Aquinas Holds Fast: Objections to Aquinas within Today's Debate on Divine Action

Various authors within the contemporary debate on divine action in nature and contemporary science argue both for and against a Thomistic account of divine action through the notions of primary and secondary causes. In this paper I argue that those who support a Thomistic account of divine action often fail to explain Aquinas' doctrine in full, while those who argue against it base their objections on an incomplete knowledge of this doctrine, or identify it with Austin Farrer's doctrine of double agency – again failing to do Aquinas justice. I analyse these objections, indicating how they do not address Aquinas' doctrine by offering a brief but full account of the latter.     

CAUSATION,DISPOSITIONS, AND PHYSICAL OCCASIONALISM

Even though theistic philosophers and scientists agree that God created, sustains, and providentially governs the physical universe and even though much has been published in general regarding divine action, what is needed is a fine‐grained, conceptually coherent account of divine action, causation, dispositions, and laws of nature consistent with divine aseity, satisfying the widely recognized adequacy conditions for any account of dispositions.¹ Such an account would be a basic part of a more comprehensive theory of divine action in relation to the fundamental concepts of science and of mathematics. Our aim in this article is simply to present such a theory.     

A theory of causality: Causality=interaction (as defined by a suitable quantum field theory)

In this paper I put forward a suggestion for identifying causality in micro-systems with the specific quantum field theoretic interactions that occur in such systems. I first argue — along the lines of general transference theories — that such a physicalistic account is essential to an understanding of causation; I then proceed to sketch the concept of interaction as it occurs in quantum field theory and I do so from both a formal and an informal point of view. Finally, I present reasons for thinking that only a quantum field theoretic account can do the job — in particular I rely on a theorem by D. Currie and to the effect that interaction cannot be described in (a Hamiltonian formulation of) Classical Mechanics. Throughout the paper I attempt to suggest that the widespread scepticism about the ability of quantum theory to support a theory of causality is mistaken and rests on several misunderstandings.     

OUTSTANDING ISSUES WITH ROBERT RUSSELL'S NIODA CONCERNING QUANTUM BIOLOGY AND THEISTIC EVOLUTION

Non‐Interventionist Objective Divine Action (NIODA), introduced by Robert John Russell, is a model of divine action drawing upon insights from quantum mechanics. It presents an intriguing and significant challenge to classical conceptions of divine action with far‐reaching consequences. When applying NIODA to theistic evolution, however, significant questions emerge that require attention. We identify and assess two sets of concerns. The first relates to quantum physics, particularly whether and how quantum occurrences influence mutations and evolution. We argue that the current empirical evidence is ambiguous in its support of the kinds of quantum action that Russell proposes, though emerging data from quantum biology look promising. The second set of concerns is metaphysical, especially concerning the problem of evil. NIODA gives Godextensive agency over evolution and genetics, which has adverse consequences for theodicy. We propose potential solutions to the problems highlighted in our article, both metaphysical and physical, to improve the viability of NIODA's application to theistic evolution.     

Happy Danes and Deep Incarnation

The new Copenhagen School of Deep Incarnation posits that, in Jesus Christ, God has become incarnate and therefore present “in, with, and under” all physical and biological processes. This claim raises the issue of “compatibilism,” according to which divine action and creaturely action are compatible, and “incompatibilism,” according to which divine action must be absent to allow for free creaturely action. Niels Henrik Gregersen, representing the Copenhagen School, affirms both compatibilism at the quantum level of physical activity and incompatibilism at the level of nature's self‐organization. This article points out the incoherence of this position along with the positions proffered by process theologians and kenotic theologians.     

The Causality Distinction,Kenosis, and a Middle Way: Aquinas and Polkinghorne on Divine Action

This article evaluates and considers two important philosophical contributions to the discussion considering divine action in the work of Thomas Aquinas and John Polkinghorne. Aquinas argues that God employs both primary and secondary causality, in that God causes some events directly by divine power and others by means of secondary causes. Polkinghorne argues that this approach makes God the author of evil and opts instead for a “kenotic approach” to divine action, wherein God chooses to “empty” God's self of complete divine control. We think that these views can complement each other and need not represent mutually exclusive alternatives.     

Not Three People: The Fundamental Themes of Gregory of Nyssa's Trinitarian Theology as Seen in To Ablabius: On Not Three Gods

Gregory of Nyssa's small text On Not Three Gods has often been treated as a key statement of his supposedly "pluralistic" and/or "social" Trinitarianism. I argue, first, that Gregory's intention here is to shift discussion away from a focus on the possible analogies between the divine life and three seemingly distinct human beings, toward themes more fundamental in his theology. Second, I offer a reading of On Not Three Gods to show how Gregory's Trinitarian theology—as all pro–Nicene theologies—revolves around a strong commitment to the unity of the divine power and activity and an equally strong insistence that all statements about the divine life and persons are governed by an account of the divine incomprehensibility.     

QUANTUM THEOLOGY BEYOND COPENHAGEN: TAKING FUNDAMENTALISM LITERALLY

Theological engagement with quantum physics has, to this day, been dominated by the Copenhagen interpretation. However, philosophers and physicists working in the “quantum foundations” field have largely abandoned the Copenhagen view on account of what is widely seen as its troublesome antirealism. Other metaphysical approaches have come to the fore instead, which often take a strongly realist flavor, such as de Broglie-Bohm, or Everett's “Many-Worlds” interpretation. In the spirit of recent quantum foundations work, this article introduces a collection of studies aimed at taking quantum theology “beyond Copenhagen.” The present article advocates a commitment to “quantum fundamentalism,” which could resolve some of the enduring ontological problems faced by existing theological work with quantum mechanics, especially in discussions of quantum special divine action. Taking quantum fundamentalism literally would mean a departure from the Copenhagen interpretation, and the article suggests the need for a new research program to lay the groundwork in the natural theology of quantum foundations.     

Politics and Miracle: Radical Democracy and Non-Interventionist Divine Action

This paper elucidates Nancey Murphy's theology of special divine action in order to show its unique coherence as well as explore some political implications of this theory. Besides showing itself to be a fruitful conceptualization of both “the miraculous” and the natural world, this paper argues that Murphy's insights can be extended to address a pressing question in contemporary political theology: the nature and function of power in increasingly pluralistic societies. The upshot, drawing on the connection between conceptualizations of miracle and sovereignty made by Carl Schmitt, is that Murphy's non-interventionist theory of divine action at the quantum level “fits” with an equally non-interventionist account of political authority from below, at the level of an active, democratically engaged citizenry.     

The Solubility of Salt: A Divine Action Account

In the burgeoning literature on dispositions, solubility is a standard example. In this paper we give a rigorous theistic divine action account of the simple mechanism of the dissolving of salt, NaCl, into the ions Na⁺ and Cl^?. We explore this reaction in terms of an alternative view of divine action, Divine Compositionalism, which holds that the functioning of every physical, chemical, and biological mechanism in the universe is a manifesting complex disposition, which is nothing other than ways God acts according to plan.