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Time Symmetry in Three Dimensions

López, Cristian (2020) Time Symmetry in Three Dimensions. [Preprint]

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Abstract

The notion of time reversal has caused some recent controversy in philosophy of physics. In this paper, I claim that the notion is more complex than usually thought. In particular, I contend that any account of time reversal presupposes, explicitly or implicitly, an answer to the following questions: (a) What is time-reversal symmetry predicated of? (b) What sorts of transformations should time reversal perform, and upon what? (c) What role does time-reversal symmetry play in physical theories? Each dimension, I argue, not only admits divergent answers, but also opens a dimension of analysis that feeds the complexity of time reversal: modal, metaphysical, and heuristic, respectively. The comprehension of this multi-dimensionality, I conclude, shows how philosophically rich the notion of time reversal is in philosophy of physics


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Item Type: Preprint
Creators:
CreatorsEmailORCID
López, Cristianlopez.cristian1987@gmail.com0000-0002-2883-4037
Keywords: Time Reversal, Symmetry, Physical Laws, Modality, Time
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Symmetries/Invariances
Depositing User: Dr Cristian Lopez
Date Deposited: 02 Aug 2020 03:40
Last Modified: 02 Aug 2020 03:40
Item ID: 17685
Subjects: Specific Sciences > Physics
Specific Sciences > Physics > Symmetries/Invariances
Date: 11 June 2020
URI: http://philsci-archive.pitt.edu/id/eprint/17685

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