Spacetime is just a headset: An interview with Donald Hoffman
Seeing | Ontology | 2022-11-06
Hans Busstra, MA
Prof. Donald D. Hoffman, PhD
Prof. Donald Hoffman talks to Essentia Foundation’s Hans Busstra about his theory of conscious agents, according to which space and time are cognitive constructs in consciousness, not an objective scaffolding of the world outside. The interview also touches on Prof. Hoffman’s personal history and life, bringing the warmth of his humanity to the academic rigor of his theories. Notice that, because of how YouTube works, to watch the video embedded in this page you must choose our ‘Platinum’ privacy option. Otherwise, you can also watch the video directly on YouTube.
Essentia Foundation communicates, in an accessible but rigorous manner, the latest results in science and philosophy that point to the mental nature of reality. We are committed to strict, academic-level curation of the material we publish.
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Prof. Dr. Caslav Brukner, Prof. Dr. Renato Renner and Dr. Eric Cavalcanti just won the Paul Ehrenfest Best Paper Award for Quantum Foundations. Their different no-go theorems make us reconsider the fundamental nature of reality. Bell’s theorem in quantum mechanics already confronted us with the fact that locality and ‘physical realism,’ in the sense that particles have predetermined physical properties prior to measurement, cannot both be true. But in certain variations of the Wigner’s Friend thought experiment an additional metaphysical assumption is now also put in question: the absoluteness of facts. In different words: can we safely assume that a measurement outcome for one observer is a measurement for all observers?
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The acquiescence of physicalism within the broader cultural milieu allows for the smuggling of assumptions into scientific inquiry, which are then, in a circular manner, considered to be validated by science itself. This disastrous interplay perpetuates a continued myopia in distinguishing between the ontological claims of physicalism and the assumptions of scientific inquiry, argues Adebambo Adedire.
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Arthur Haswell invites us to pay attention to and, once again, like our ancestors once did, hear the rhyme and rhythm with which the world worlds. Reality, he maintains, unfolds according to a form of music that, in ages past, humans were matter-of-factly sensitive to. Granted that, if we could sense it again, we could find the codas of the modern world to be excessively depressing, frightening, and bleak. For this reason, perhaps subconsciously, we may not wish to hear them. But, he suspects, we could also find in them much beauty and harmony that enrich our lives. This is a profoundly edifying essay.
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Prof. Dr. Caslav Brukner, Prof. Dr. Renato Renner and Dr. Eric Cavalcanti just won the Paul Ehrenfest Best Paper Award for Quantum Foundations. Their different no-go theorems make us reconsider the fundamental nature of reality. Bell’s theorem in quantum mechanics already confronted us with the fact that locality and ‘physical realism,’ in the sense that particles have predetermined physical properties prior to measurement, cannot both be true. But in certain variations of the Wigner’s Friend thought experiment an additional metaphysical assumption is now also put in question: the absoluteness of facts. In different words: can we safely assume that a measurement outcome for one observer is a measurement for all observers?
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The acquiescence of physicalism within the broader cultural milieu allows for the smuggling of assumptions into scientific inquiry, which are then, in a circular manner, considered to be validated by science itself. This disastrous interplay perpetuates a continued myopia in distinguishing between the ontological claims of physicalism and the assumptions of scientific inquiry, argues Adebambo Adedire.
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As any essay on free will, the present one is bound to be polemic. We believe the debate on free will is important and the present essay meaningfully contributes to it. Nonetheless, we feel bound to clarify our editorial position here: as a foundation dedicated to promoting objective formulations of metaphysical idealism, we endorse the existence of a reality beyond the seemingly personal self, which behaves in a predictable, lawful manner. An implication of this view is the impossibility of libertarian free will: we do make our own choices, but our choices are determined by that which we, and the universe around us, are. Yet we believe that there is a very important sense in which free will does exist: under idealism, the universe is constituted by the excitations of one, universal field of subjectivity. The impetus towards self-excitation that characterizes this field of subjectivity is free will, for it depends on nothing else. The entire dance of universal unfolding is a dance of universal free will. This is the sense in which, for example, Federico Faggin and our own Bernardo Kastrup defend the fundamental existence of free will in nature. This understanding of free will is entirely compatible with the understanding that our choices are determined but that which we truly are. Finally, objective formulations of metaphysical idealism deny, just as the author of the present essay does, the fundamental existence of a personal self. Instead, the latter is regarded as a transient, reducible configuration of the underlying field of subjectivity. As such, there cannot be such a thing as personal, egoic free will, for the personal self itself isn’t a fundamental construct.
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