 Aristotle, General Topics: aesthetics |  Aristotle, General Topics: metaphysics |  Aristotle, General Topics: rhetoric |  Aristotle, Special Topics: mathematics |  Aristotle, Special Topics: on non-contradiction |  -->Chrysippus--> |  Diodorus Cronus |  future contingents |  logic: ancient |  logic: relevance |  -->Megaric School--> |  square of opposition |  Stoicism 