Article ID: CBB000773916

Aristotle, Dynamics and Proportionality (2001)


What ought we to make of Aristotle's apparently disparate comments on bodies in motion? I argue that Aristotle is concerned with a higher level project than dynamics and that is the establishment of a coherent theory of change in general. This theory is designed to avoid the paradoxes and infinities that Aristotle finds in Eleatic, Heraclitean and atomist accounts, notably in relation to comparatives such as 'quicker' and 'slower'. This theory relies on a broad application of proportionality to all types of change, not merely those we would label 'dynamics'. To support this I argue that Aristotle denied the existence of the void and the possibility of instantaneous change, and that he could accommodate 'threshold' changes within his scheme. If this is so, then the aims of Aristotle's comments on motion become more comprehensible, and it will be understandable why Aristotle was more concerned with the application of proportionality in general rather with the investigation of specific cases in dynamics.

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Authors & Contributors
Anders, John
Aichele, Alexander
Bowin, John
De Groot, Jean
Frampton, Michael F.
Glasner, Ruth
Apeiron: Journal for Ancient Philosophy and Science
Early Science and Medicine: A Journal for the Study of Science, Technology and Medicine in the Pre-modern Period
Ancient Philosophy
Chinese Journal for the History of Science and Technology
Coincidentia: Zeitschrift für europäische Geistesgeschichte
History of Science
University of Chicago
Cornell University Press
Boston College
Motion (physical)
Vacuum; emptiness; nothingness
Explanation; hypotheses; theories
Albert of Saxony
Boyle, Robert
Descartes, René
Time Periods
17th century
14th century
3rd century, B.C.
Paris (France)

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