Werkausgabe in 12 Bänden. 7. Kritik der praktischen Vernunft. Grundlegung zur Metaphysik der Sitten

Foundations of the Metaphysics of Morals

Preface

First Section: Transition from common moral rational knowledge to philosophical understanding.

Second Section: Transition from popular moral wisdom to the metaphysics of morals. The autonomy of the will as the supreme principle of morality. The heteronomy of the will as the source of all inauthentic principles of morality. Classification of all possible principles of morality based on the assumed concept of heteronomy.

Third Section: Transition from the metaphysics of morals to the critique of pure practical reason. The concept of freedom is the key to explaining the autonomy of the will. Freedom must be assumed as a property of the will of all rational beings. Regarding the interest that attaches to the ideas of morality. How is a categorical imperative possible? From the utmost.