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This excerpt is presented as reproduced by Copernicus in the preface to De Revolutionibus: 'Some think that the earth remains at rest. But Philolaus the Pythagorean believes that, like the sun and moon, it revolves around the fire in an oblique circle. Heraclides of Pontus and Ecphantus the Pythagorean make the earth move, not in a progressive motion, but like a wheel in rotation from west to east around its own center.'

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Apr 25, 2024

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About George David Birkhoff

George David Birkhoff

George David Birkhoff

George David Birkhoff (21 March 1884, Overisel, Michigan - 12 November 1944, Cambridge, Massachusetts) was an American mathematician, best known for what is now called the ergodic theorem. Birkhoff was one of the most important leaders in American mathematics in his generation, and during his prime he was considered by many to be the preeminent American mathematician.

The mathematician Garrett Birkhoff (1911-1996) was his son.

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