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The Classical Stance: Dennett's Criterion in Wallacian quantum mechanics

Mulder, Ruward A. (2024) The Classical Stance: Dennett's Criterion in Wallacian quantum mechanics. Studies in History and Philosophy of Science. ISSN 00393681

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Abstract

David Wallace's `Dennett's Criterion' plays a key part in establishing realist claims about the existence of a multiverse emerging from the mathematical formalism of quantum physics, even after decoherence is fully appreciated. Although the philosophical preconditions of this criterion are not neutral, they are rarely explicitly addressed conceptually. I tease apart three: (I) a rejection of conceptual bridge laws even in cases of inhomogeneous reduction; (II) a reliance on the pragmatic notion of usefulness to highlight quasi-classical patterns, as seen in a decoherence basis, over others; and (III) a structural realist or `functional realist' point of view that leads to individuating those patterns as real macroscopic objects at the coarse-grained level, as they are seen from the Classical Stance (analogous to Dennett's Intentional Stance). I conclude that the justification of Dennett's Criterion will be intimately tied up with the fate of strong forms of naturalism, and in particular that Wallacian quantum mechanics is a key case study for concretely evaluating his `math-first' structural realism (Wallace 2022).


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
Mulder, Ruward A.RuwardArthur@gmail.com0000-0002-9684-6267
Keywords: Quantum mechanics, Emergent Multiverse, Decoherence, Dennett's Criterion, Real Patterns, functionalism, math-first, reduction, pragmatic explanation, stance ontology
Subjects: General Issues > Scientific Metaphysics
General Issues > Explanation
Specific Sciences > Physics > Quantum Mechanics
General Issues > Realism/Anti-realism
General Issues > Reductionism/Holism
Depositing User: Mr. Ruward A. Mulder
Date Deposited: 02 Jul 2024 06:00
Last Modified: 02 Jul 2024 06:00
Item ID: 23651
Journal or Publication Title: Studies in History and Philosophy of Science
Subjects: General Issues > Scientific Metaphysics
General Issues > Explanation
Specific Sciences > Physics > Quantum Mechanics
General Issues > Realism/Anti-realism
General Issues > Reductionism/Holism
Date: 2024
ISSN: 00393681
URI: https://philsci-archive.pitt.edu/id/eprint/23651

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