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How Anti-Humeans Can Embrace a Thermodynamic Reduction of Time's Causal Arrow

Lichtenstein, Eli I. (2021) How Anti-Humeans Can Embrace a Thermodynamic Reduction of Time's Causal Arrow. Philosophy of Science, 88 (5). pp. 1161-1171. ISSN 0031-8248

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Abstract

Some argue that time’s causal arrow is grounded in an underlying thermodynamic asymmetry. Often, this is tied to Humean skepticism that causes produce their effects, in any robust sense of ‘produce’. Conversely, those who advocate stronger notions of natural necessity often reject thermodynamic reductions of time’s causal arrow. Against these traditional pairings, I argue that ‘reduction-plus-production’ is coherent. Reductionists looking to invoke robust production can insist that there are metaphysical constraints on the signs of objects’ velocities in any state, given other—including far later—states’ properties. The Past Hypothesis may thus be a metaphysical condition, not a physical law.


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
Lichtenstein, Eli I.eli.lichtenstein@ed.ac.uk0000-0002-8456-7316
Keywords: Time's arrow, Direction of Time, Thermodynamic asymmetry, Past Hypothesis, Causation, Metaphysical necessity and possibility, Physical necessity and possibility
Subjects: General Issues > Scientific Metaphysics
General Issues > Causation
General Issues > Laws of Nature
Specific Sciences > Physics > Statistical Mechanics/Thermodynamics
Depositing User: Eli I. Lichtenstein
Date Deposited: 11 Oct 2025 12:34
Last Modified: 11 Oct 2025 12:34
Item ID: 26890
Journal or Publication Title: Philosophy of Science
Publisher: Philosophy of Science Association
Official URL: https://doi.org/10.1086/715514
DOI or Unique Handle: 10.1086/715514
Subjects: General Issues > Scientific Metaphysics
General Issues > Causation
General Issues > Laws of Nature
Specific Sciences > Physics > Statistical Mechanics/Thermodynamics
Date: 2021
Page Range: pp. 1161-1171
Volume: 88
Number: 5
ISSN: 0031-8248
URI: https://philsci-archive.pitt.edu/id/eprint/26890

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