Abstract In this paper, I examine whether or not the Hamiltonian and Lagrangian formulations of classical mechanics are equivalent theories. I do so by applying a standard for equivalence that was recently introduced into philosophy of science by Halvorson, Halvorson ([2012, 2016]) and Weatherall ([2016a]). This case study yields three general philosophical payo offs. The first concerns what a theory is, while the second and third concern how we should interpret what our physical theories say about the world. © The Author 2018. Published by Oxford University Press on behalf of British Society for the Philosophy of Science. All rights reserved. For Permissions, please email: email@example.com
The British Journal for the Philosophy of Science – Oxford University Press
Published: Feb 16, 2018
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