Note 45 — Chapter I · THE CONTRIBUTION OF THE ANCIENT WORLD
Reading edition
Ptolemy (Almagest, I, 7) discussed the immobility of the earth in much the same manner as Plato and Aristotle. From Aristotle he derived the argument of the heavy body thrown into the air. See above, note 42, paragraph (3) and Duhem op. cit., vol. i, pp. 480–484.