Theological thinking is influenced by perspectives on the relation of scientific knowledge to reality. Two paradigms for understanding the nature of human knowledge are considered in relation to quantum mechanics: the subjective-observing perspective of Kant, and the objective-participant perspective of Thomas Aquinas. I discuss whether quantum mechanics necessarily implies a subject centered perspective on reality, and argue, with reference to d'Espagnat's notion of veiled reality, that quantum non-separability challenges this view. I then explore whether the objective-participant perspective of Thomas Aquinas provides a more fruitful context for understanding quantum mechanics. I discuss quantum measurement in terms of the transition from potentiality to actuality, and knowledge as the latent intelligibility of the world realized. However, the negative nature of our knowledge of quantum non-separability also challenges this perspective. Our theological thinking in response to quantum knowledge must therefore proceed tentatively, balancing a via positiva, with a via negativa.
Theological thinking is influenced by perspectives on the relation of scientific knowledge to reality. Two paradigms for understanding the nature of human knowledge are considered in relation to quantum mechanics: the subjective-observing perspective of Kant, and the objective-participant perspective of Thomas Aquinas. I discuss whether quantum mechanics necessarily implies a subject centered perspective on reality, and argue, with reference to d'Espagnat's notion of veiled reality, that quantum non-separability challenges this view. I then explore whether the objective-participant perspective of Thomas Aquinas provides a more fruitful context for understanding quantum mechanics. I discuss quantum measurement in terms of the transition from potentiality to actuality, and knowledge as the latent intelligibility of the world realized. However, the negative nature of our knowledge of quantum non-separability also challenges this perspective. Our theological thinking in response to quantum knowledge must therefore proceed tentatively, balancing a via positiva, with a via negativa.
This paper will present questions from three perspectives about Quantum Mechanics (QM): physics, epistemological, and metaphysical.The quantum phenomena do not fit with the parameters of classical physics, so a daily intuition on macroscopic world is dispensable when it is the quantum object investigated.This physical domain induces a new thinking, which requires also new concepts to describe such object.The QM is disturbing and stimulates epistemological reflections, as the issues of access about what is known; and metaphysical theme are not to be left behind with regard to QM: What would the quantum object to?What is apprehended when this object is perceived, once considered the disturbing characteristics that constitute its physical description: interference and non-separability?What is its nature?This paper focuses briefly on the analysis of B. d'Espagnat in Veiled Reality, which would represent the physical perspective of QT; for epistemological questions, one will resort to the Kantian conception of knowledge; and with regard to the metaphysical perspective, we will rely on an article by Professor J. B. Arenhart.It is necessary to note that the question that pervades in this paper is about if the experience in QM is built.Thus, we will try to seek clarity on the philosophical issues through QT, regarding the problems about the possibility of knowledge of the quantum object and its nature, and whether experience in this case is built.But furthermore, the QM instigates us to think whether metaphysics proceeds on the investigation of nature when it comes to the QM.And such a question is more than to have as problem as the scope of the description of physical data, but rather whether it makes sense or whether metaphysical research is pertinent to the QM.
This article explores the relationship between Kantian epistemology and QBism, a modern interpretation of quantum mechanics. QBism reconceives scientific objects not as independent entities but as phenomena synthesized through the observer's active role. It emphasizes the interdependence of knowledge and observation, rejecting the notion of a pre-existent, absolute reality. Much like Immanuel Kant's assertion that the thing-in-itself lies outside human cognition, QBism denies ontological status to the unobservable or unexperienced, grounding objectivity in intersubjectivity: the shared cognitive structures of human agents. Within this Critical framework, I address an objection raised by Carlo Rovelli, who critiques QBism for anchoring reality to the observer, claiming it risks falling into idealism by positioning the subject outside nature. Rovelli defends a relational view, situating the observer within the world as describable by the same physical laws that apply to all objects. In response, I argue that the QBist observer represents a universal human subject, not a single determinate agent and that intersubjective agreement ensures objectivity without collapsing into solipsism.
The role of the observer remains a central conceptual challenge in the foundationsof quantum mechanics. This work examines the observer as an agent whoseparticipation is structurally indispensable for the emergence of physical facts. RelationalQuantum Mechanics and QBism—two influential agent-centered interpretations—recast quantum states, measurement outcomes, and objectivity as relationalor personalist rather than observer-independent. By analyzing their conceptualcommitments, we clarify how these frameworks illuminate the problem of subjectivityand the limits of classical realism.The discussion extends beyond physics to the broader question of whether agencyand subjectivity can be eliminated from scientific and technological practices. Drawingon insights from Pauli, Stapp, and d’Espagnat, we argue that attempts tofully operationalize the observer obscure essential features of experience and understanding.Contemporary artificial intelligence systems exemplify this tension: theydemonstrate high functional performance while lacking subjectivity, intentionality,and responsibility.We suggest that the displacement of the subject—from quantum interpretationto algorithmic decision-making—reflects a deeper structural shift in modern knowledge.Treating the observer as an agent is not merely an interpretive option but aconceptual requirement for coherent accounts of measurement, understanding, andresponsible action in an age increasingly shaped by operational intelligence withoutsubjects.
The aim of this paper is to discuss some of the main philosophical and metaphysical implications of quantum physics, especially those which concern the issues of epistemic humility and ontological realism. My thesis is that the impossibility of reaching an objective knowledge of nature does not imply the renunciation of ontological realism, but rather encourages scientists to adopt an attitude of epistemic humility. The argument firstly presents the main theories of quantum physics currently discussed, focusing on the measurement problem and its ontological implications. Afterwords, the issues of objectivity and realism are properly addressed. In the end, we discuss statistics as the new form of scientific epistemology, along with the concept of potentiality as the fundamental category of quantum metaphysics. Throughout, we establish some parallelisms between quantum physics theories and theology to show that, when human beings investigate the foundations of reality, some thought patterns, some core problems, and some possible solutions resemble one another, regardless of the specific perspective and language with which they are formulated.
Most interpretations of quantum theory fail to provide a fundamental, complete, self-consistent account of nature describing physical reality itself, as opposed to merely yielding predictions about results of experiments and observations. A paradigm providing a self-consistent foundation for quantum theory and a description of the reality it refers to, generalized to a worldview, is a Quantum Paradigm, where ‘paradigm' is defined as structure of experiential reality. We assert that the fundamental obstruction in the quest for a quantum paradigm is the assumption of objectivity. The subject-object distinction, drawn within experience, has within the natural sciences degenerated into a dichotomy-an absolute split into separate realms-with scientists adopting the classical paradigm where the object pole of experience ("objective reality") can be studied independently from the subject pole ("the experiencer"), with a presupposition that this procedure yields a fundamental description of nature. In fact, the subjective is often eliminated altogether as a fundamental category, and reduced to an epiphenomenon of objective processes. We claim this objectivity assumption precludes a full comprehension and a paradox-free formulation of quantum theory. By challenging this presupposition, i.e. leaving the question open, a coherent understanding of quantum nature falls naturally into place, providing appropriate foundation for quantum theory and an associated world-view. The resulting Quantum Paradigm is "realist" in the sense that it provides a description of what is actually happening: namely the arena of all happening is Mind or Consciousness-from which mind and matter, subject and object, individual and collective, and time and space co-dependently arise. The subject matter of quantum theory then becomes the fundamental mind-function of distinction ("measurement"), resulting in information and its statistical correlations. The message of quantum mechanics is surprising: the basic components of objects-the particles, electrons, quarks, etc.-cannot be thought of as ‘self-existent'. The reality that they, and hence all objects, are components of is ‘empirical reality', of experience."The universe begins to look more like a great thought than a great machine."-James Jeans Anomalous phenomena such as ESP and psychokinesis, collective consciousness, and synchronicity that are considered impossible in the context of the classical paradigm, fit naturally in, and can in turn provide evidence for the Quantum Paradigm. Spirituality and science are shown to be complementary approaches referring to the same reality, Mind, while each discipline retains its integrity. The Quantum Paradigm can be intellectually comprehended, as well as embodied: one can live in quantum reality. A good metaphor for this is "life as a dream": with no "real" objects as distinguished from experienced objects. Experience is "empty" of self-nature in the Buddhist sense, with everything interconnected and co-dependently arising. Experiencing the world by "embodying the Quantum Paradigm" is transformative, healing, and an antidote to alienation resulting from embodying the classical paradigm. Embodying the Quantum Paradigm and living in the Oneness of all creation can help humanity-increasingly lost in the materialism and individualism reinforced by our embodiment of the classical paradigm-and restore intimate connection and harmony with Spirit, Nature and fellow humans; we need such a transformation to survive and thrive in our technological society.
The Thomist 65 (2001): 223-38 QUANTUM MECHANICS: A DIALECTICAL APPROACH TO REALITY WOJCIECH P. GRYGIEL The Priestly Fraternity ofSt. Peter Wigratzbad-Opfenbach, Germany In a recent article, Wolfgang Smith states that "the ongoing deChristianization of Western society is due in large measure to the imposition of the prevailing scientistic world view."1 One need be neither a philosopher nor a scientist to notice that deChristianization makes its presence felt in every aspect of the life of a citizen in the modern West-familial, professional, cultural, and religious. Thus it opposes the two-and-a-half-millennial tradition that began in ancient Greece and achieved its full development in medieval Christian philosophy. This tradition is one of constant refinement and crystallization, continuously coupled with and catalyzed by the divine plan of salvation of mankind from the bondage of original sin. This complex phenomenon was well encapsulated by Etienne Gilson: It is hardly possible to realize the continuity that prevails through the whole history of Western culture, unless one keeps in mind the important part played by the Church in the work of its transmission. The Greek and Latin Fathers of the Church had so carefully preserved the classical notion of man that when St. Thomas Aquinas, in the thirteenth century, undertook to build up a complete exposition of Christian truth, he did not scruple to borrow for his technical equipment from the pagan Aristotle, whose logic, physics, biology, ethics and 1 W. Smith, "From Schrodinger's Cat to Thomistic Ontology," The Thomist 63 (1999): 49. 223 224 WOJCIECH P. GRYGIEL metaphysics were then transformed by his medieval disciple into as many elements of Christian synthesis.2 This Christian synthesis is central to the understanding of science as an integral part of the classical Western world view. In it all beings are perceived as purposefully ordered in their natures towards their ultimate goal, which is the glory and praise of God. In his Summa Theologiae St. Thomas writes Therefore since sacred scripture considers things insofar as they are divinely revealed, according to what has been said all things whatsoever that are able to be divinely revealed share in the one formal object of this science, and so they are included under sacred theology as under a single science.3 This position radically contradicts the currently dominant mind set that goes back at least to Descartes's decoupling of philosophical and theological wisdom, with its bifurcation of nature into res cogitans and res extensa.4 As the term extensa indicates, in Cartesian philosophy matter appears to the human mind clearly and distinctly only under the aspect of quantity. All the other Aristotelian categories of accident are thus reducible to quantity. As a result the human mind is unable to discern natures, and so is cut off from the possibility of investigating change, the object of physical science.5 The Cartesian assimilation of corporeality to pure mathematics, based on Descartes's own distrust of sense experience, has boxed science into, one could say, living a life of extension without any reference to the nature of reality. The mathematicism of Galileo, and in some ways that 2 E. Gilson, The Unity ofPhilosophical Experience (San Francisco: Ignatius Press, 1999), 221. 3 Summa Theologiae I, q. 1, a. 3. • One of the most striking examples ofscientism practically bordering on mythology is the Darwinian theory of evolution. The drastic imposition of stochasticism on the vital mechanisms of natural generation with minimal experimental evidence seems more like an attempt to carry out a deliberate philosophical agenda than an honest scientific investigation. A solid refutation of Darwinian theory based on microbiological and biochemical evidence can be found in Michael J. Behe, Darwin's Black Box: The Biochemical Challenge to Evolution (New York: Touchstone, 1996). 5 Aristotle, Physics 2.2.193b31-35. QUANTUM MECHANICS 225 of Isaac Newton, further implanted a conviction in the modern mind that physical phenomena can be accounted for simply by the use of mathematical equations. The implications of such reductionism were well summarized by Alfred North Whitehead: The laws of nature are nothing else that the observed identities of pattern persisting throughout the series of comparative observations. Thus a law of nature says something about...