 a priori justification and knowledge |  Cohen, Hermann |  Dilthey, Wilhelm |  -->Fischer, Kuno--> |  free will |  Kant, Immanuel |  Kant, Immanuel: moral philosophy |  Kant, Immanuel: transcendental arguments |  Lotze, Hermann |  neo-Kantianism |  psychologism |  Rickert, Heinrich |  value theory 