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On this day

Isaac Newton: Principia Mathematica

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On July 5 th  1687 – The Philosophiae Naturalis Principia Mathematica by Isaac Newton was first published, describing his laws of motion and his law of universal gravitation.

The French mathematical physicist Alexis Clairaut assessed it in 1747: “The famous book of mathematical Principles of natural Philosophy marked the epoch of a great revolution in physics. The method followed by its illustrious author Sir Newton … spread the light of mathematics on a science which up to then had remained in the darkness of conjectures and hypotheses.”

Philosophiæ Naturalis Principia Mathematica, Latin for “Mathematical Principles of Natural Philosophy“, often called the Principia , is a work in three books by Sir Isaac Newton, first published 5 July 1687.Newton also published two further editions, in 1713 and 1726.The Principia states Newton’s laws of motion, forming the foundation of classical mechanics, also Newton’s law of universal gravitation, and a derivation of Kepler’s laws of planetary motion (which Kepler first obtained empirically). The Principia is “justly regarded as one of the most important works in the history of science”.

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