<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type> While the experimental sciences address statistical probability, philosophy looks at probability in a subjective sense as gradations of rational belief. Schurz develops a dualistic approach to combine these two notions. Drawing on Kant, he asserts that a subjective probability theory without statistical probability is blind, but statistical probability without subjective probability theory is empty.