Eudoxus developed the mathematical theory of proportion that allowed work with irrationals, and the method of exhaustion or approaching the limit. He extended mathematics to cover the motion of heavenly bodies in a system known as homocentric spheres. He described the constellations.
- G. J. Toomer " Eudoxus (1)" The Oxford Classical Dictionary . Simon Hornblower and Anthony Spawforth. © Oxford University Press 1949, 1970, 1996, 2005.
- A History of Medicine: Greek Medicine, by Plinio Prioreschi
- Stanford Encyclopedia of Philosophy Archytas.
Read more about Eudoxus in Discoveries in Science Made by Ancient Greek Scientists.