"The old Greek philosophy, which in Europe in the later middle ages was synonymous with the works of Aristotle, considered motion as a thing for which a cause must be found: a velocity required a force to produce and to maintain it. The great discovery of Galileo was that not velocity, but acceleration requires a force. This is the law of inertia of which the real content is: the natural phenomena are described by differential equations of the second order."
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Philosophers from GreecePolymathsNatural philosophersMathematicians from GreeceBiologists from Greece
Original Language: English
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Sources
Willem de Sitter, The Astronomical Aspect of the Theory of Relativity (1933)
https://en.wikiquote.org/wiki/Aristotle
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Aristotle
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