Columbia subject headings:
Evidence.
Parmenides--Influence.
Philosophy, Ancient.
Pythagoras--Influence.
Xenophanes, approximately 570 B.C.-approximately 478 B.C.--Influence.
Harvard subject headings:
Parmenides.
Philosophy, Ancient.
Philosophy--History
Pythagoras.
Princeton subject headings:
Evidence.
Parmenides--Influence.
Philosophy, Ancient.
Pythagoras--Influence.
Xenophanes, approximately 570 B.C.-approximately 478 B.C.--Influence.