Columbia subject headings:
Neoplatonism.
Ontology.
Plato. Parmenides.
Harvard subject headings:
Logic, Ancient.
Negative theology.
Neoplatonism.
Ontology.
Plato. Parmenides.
Platonists.
Proclus, approximately 410-485. In Parmenidem.
Princeton subject headings:
Neoplatonism.
Ontology.
Plato--Appreciation.
Plato. Parmenides.