 afterlife |  Alexander of Aphrodisias |  Aristotle |  Aristotle, commentators on |  Aristotle, General Topics: logic |  Aristotle, Special Topics: natural philosophy |  -->conceptualism--> |  metaphysics |  Neoplatonism |  -->nominalism: medieval versions of--> |  Plato |  Plato: middle period metaphysics and epistemology |  Plotinus |  Porphyry |  Proclus |  realism |  theology, natural and natural religion |  universals: the medieval problem of 