Plato’s ideas were, at least, new.
Much of Plato’s thought comes from Pythagoras, Parmenides, Heraclitus, and Socrates. If I were to pick an ancient philosopher that didn’t have obvious intellectual antecedents, I would choose Thales.
Much of Plato’s thought comes from Pythagoras, Parmenides, Heraclitus, and Socrates. If I were to pick an ancient philosopher that didn’t have obvious intellectual antecedents, I would choose Thales.