Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Plato. Parmenides.
Harvard subject headings:
Dialectic--History.
Hegel, Georg Wilhelm Friedrich, 1770-1831
Plato. Parmenides.
Reasoning.
Socrates.
Zeno, of Elea.
Zeno, of Elia.
Princeton subject headings: