For 10 points, name this author of the allegory of the cave, a Greek philosopher who taught Aristotle and was Socrates' student.
This man's theology was examined by Marisilio Ficino, a prominent Florentine. Ralph Cudworth lead a group of theologians inspired by this man at Cambridge. He's neither W.V.O Quine nor Hillary Putnam, but this man's name often denotes the philosophical view that mathematical objects are ontologically real outside the imagination. A re-envisioning of this man's philosophy, which described reality as decreasingly pure (*) emanations from "The One", appeared in the Enneads of Plotinus in the 200s CE. Before Augustine was a Manichean, he was among the "neo" Followers of this philosopher, whose own views included a theory of ideal forms. For 10 points, name this author of the allegory of the cave, a Greek philosopher who taught Aristotle and was Socrates' student.
This man's theology was examined by Marisilio Ficino, a prominent Florentine.
Plato [or Platon; or Aristocles]