Hip Glossary: Pythagoreanism
Pythagoreanism:
Pythagoreanism is a term used for the esoteric and metaphysical beliefs held by Pythagoras and his followers, the Pythagoreans, who were much influenced by mathematics and probably a main inspirational source for Plato and platonism.
Later resurgence of ideas similar to those held by the early Pythagoreans are collected under the term Neopythagoreanism.
The Pythagoreans were called mathematikoi, which means "those that study all".
Source:wikipedia