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On Classical Motion

McCoy, C.D. (2018) On Classical Motion. Philosophers' Imprint, 18 (9). pp. 1-19.

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Abstract

The impetus theory of motion states that to be in motion is to have a non-zero velocity. The at-at theory of motion states that to be in motion is to be at different places at different times, which in classical physics is naturally understood as the reduction of velocities to position developments. I first defend the at-at theory against the criticism raised by Arntzenius that it renders determinism impossible. I then develop a novel impetus theory of motion that reduces positions to velocity developments. As this impetus theory of motion is by construction a mirror image of the at-at theory of motion, I claim that the two theories of motion are in fact epistemically on par---despite the unfamiliar metaphysical picture of the world furnished by the impetus version.


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
McCoy, C.D.casey.mccoy@ed.ac.uk0000-0002-7921-4911
Keywords: velocity, classical mechanics, at-at theory of motion
Subjects: General Issues > Scientific Metaphysics
Specific Sciences > Physics > Classical Physics
Depositing User: Dr. Casey McCoy
Date Deposited: 07 Jun 2018 21:23
Last Modified: 07 Jun 2018 21:23
Item ID: 14753
Journal or Publication Title: Philosophers' Imprint
Official URL: http://hdl.handle.net/2027/spo.3521354.0018.009
DOI or Unique Handle: 2027/spo.3521354.0018.009
Subjects: General Issues > Scientific Metaphysics
Specific Sciences > Physics > Classical Physics
Date: 7 May 2018
Page Range: pp. 1-19
Volume: 18
Number: 9
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/14753

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