Abstract

Early philosophical accounts of explanation mistook the function of boundary conditions for that of contingent facts. I diagnose where this misunderstanding arose and establish that it persists. I disambiguate between two uses of the term “boundary conditions” and argue that boundary conditions are explanatory via their roles as components of models. Using case studies from fluid mechanics and the physics of waves, I articulate four explanatory functions for boundary conditions in physics: specifying the scope of a model, enabling stable descriptions of phenomena in a model, generating descriptions of novel phenomena, and connecting models from differing theoretical backgrounds.

Document Type

Article

Publication Date

4-2021

Notes/Citation Information

Published in Philosophy of Science, v. 88, no. 2.

Copyright 2021 by the Philosophy of Science Association. All rights reserved.

The copyright holder has granted the permission to post the article here.

Digital Object Identifier (DOI)

https://doi.org/10.1086/711502

Available for download on Friday, April 01, 2022

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