claim: Pythagoras isn't considered to be the founder of any movement.
evidence: The River Arrow may mean  :. The River Arrow , Wales -LRB- includes the Herefordshire , England , portion of the river -RRB-. The River Arrow , Worcestershire -LRB- includes the Warwickshire portion of the river -RRB-. River Arrow Nature Reserve , in Alcester , Warwickshire , England. River Arrow Nature Reserve. River Arrow Nature Reserve