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How the Laws of Physics Lie$
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Nancy Cartwright

Print publication date: 1983

Print ISBN-13: 9780198247043

Published to Oxford Scholarship Online: November 2003

DOI: 10.1093/0198247044.001.0001

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Fitting Facts to Equations

Fitting Facts to Equations

(p.128) Essay 7 Fitting Facts to Equations
How the Laws of Physics Lie

Nancy Cartwright (Contributor Webpage)

Oxford University Press

Are things in the real world governed by the mathematical equations of fundamental theories in physics? If we take seriously the practice of fitting facts into equations, the answer should be no. To give a mathematical description of a real phenomenon requires bridge principles. However, given the constraints of theory, even these employ highly idealized fictional objects and processes, more akin to artful theatrical distortions than to true descriptions of things in the world.

Keywords:   bridge principles, idealized objects, fictional objects, mathematical equations in physics

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