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first published 5 July 1687
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Isaac Newton's Mathematical Principles of Natural Philosophy t shirt Size:XS-Men first published 5 July 1687Philosophi Naturalis Principia Mathematica (Latin for "Mathematical Principles of Natural Philosophy"), often referred to as simply the Principia, is a work in three books by Sir Isaac Newton, in Latin, first published 5 July 1687. After annotating and correcting his personal copy of the first edition, Newton also published two further editions, in 1713 and 1726. The Principia states Newton's laws of motion, forming the foundation of classical