A lengthy critique of Kant's apriorism precedes discussions on the ethical principles of eudaemonism, utilitarianism, pragmatism, and positivism.

Included are essays in epistemology, metaphysics, and philosophical psychology by one of the most important twentieth-century continental philosophers.

Formal Ethics is the study of formal ethical principles. The most important of these, perhaps even the most important principle of life, is the golden rule: "Tr