Idealization and Galileo’s Proto-Inertial Principle

Philosophy of Science 85 (5):919-929 (2018)
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Abstract

Galileo proposed what has been called a proto-inertial principle, according to which a body un horizontal motion will conserve its motion. This statement is only true in counterfactual circumstances where no impediments are present. This paper analyzes how Galileo could have been justified in ascribing definite properties to this idealized motion. This analysis is then used to better understand the relation of Galileo’s proto-inertial principle to the classical inertial principle.

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Maarten Van Dyck
Ghent University

Citations of this work

Hoe Galileo Galilei de valwet ontdekte, en het verschil dat dit maakt.Maarten Van Dyck - 2021 - Algemeen Nederlands Tijdschrift voor Wijsbegeerte 113 (1):81-105.
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References found in this work

Three Kinds of Idealization.Michael Weisberg - 2007 - Journal of Philosophy 104 (12):639-659.
Galilean Idealization.Ernan McMullin - 1985 - Studies in History and Philosophy of Science Part A 16 (3):247.
Galileo and the Problem of Accidents.Noretta Koertge - 1977 - Journal of the History of Ideas 38 (3):389.

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