Philolaus (Philolaus of Croton, Philolaus of Tarentum), fl. 5th century BC. A leading Pythagorean philosopher who survived the persecution of that school. He is widely attributed with having originated the theory of spherical universe.
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Notes on Anaxagoras and Philolaus
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Course notes on these contemporaries of Socrates, interpreting their ideas as reactions to the challenge posed by Parmenides and Zeno.