Immanuel Kant
Kant developed his moral philosophy in three works: "Groundwork of the Metaphysic of Morals" (1785), "Critique of Practical Reason" (1788), and "Metaphysics of Morals" (1797).
Kant and the Problem of Metaphysics
Kant and the Problem of Metaphysics () is a 1929 book about Immanuel Kant by the German philosopher Martin Heidegger. It is often referred by Heidegger to simply as the "Kantbuch" ("Kantbook"). This book published as volume 3 of the "Gesamtausgabe".