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Phanias (flourished c. 300 bc) was a Greek philosopher of Eresus on the island of Lesbos, a pupil of Aristotle and a friend of Theophrastus, whom he joined in the Peripatetic school. Phanias is mentioned as the author of works on logic, in which he probably followed Aristotle’s doctrine. He also wrote, as Theophrastus did, on botany, and there are remains of works by him on poets, on the Socratic philosophers, and on history. His...