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The Classical Limit as an Approximation

Published online by Cambridge University Press:  01 January 2022


I argue that it is possible to give an interpretation of the classical 0 limit of quantum mechanics that results in a partial explanation of the success of classical mechanics. The interpretation is novel in that it allows one to explain the success of the theoretical structure of classical mechanics. This interpretation clarifies the relationship between physical quantities and propositions in quantum theories and provides a precise notion of a quantum theory holding “approximately on certain scales.”

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I would like to thank Samuel Fletcher, Jeremy Butterfield, Neil Dewar, Adam Koberinski, Klaas Landsman, Michael Miller, Kasia Rejzner, and James Weatherall for helpful discussions on these topics. Furthermore, I am indebted to the anonymous referees for greatly improving the quality of this article.


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