_(a)_ The Method of Investigation
_(b)_ The Starting-Point of Epistemology
_(c)_ The Belief in the "Ego." Subject
_(d)_ Biology of the Instinct of Knowledge. Perspectivity
_(e)_ The Origin of Reason and Logic
_(f)_ Consciousness
_(g)_ Judgment. True--False
_(h)_ Against Causality
_(i)_ The Thing-in-Itself and Appearance
_(k)_ The Metaphysical Need
_(l)_ The Biological Value of Knowledge
_(m)_ Science