A Treatise Concerning Eternal and Immutable Morality

Do moral facts give us reasons to act? Michael Smith maps three versions of moral rationalism and argues for the most plausible one. A clear entry point into the contemporary debate.

Michael Smith

Kant argues that reason alone, not feelings or consequences, tells us what we ought to do. The book that introduced the categorical imperative and the boldest statement of moral rationalism.

Immanuel Kant

Richard Price answers Hume and the moral sense theorists: our ideas of right and wrong come from the understanding, not from feeling. The classic case for rational intuitionism in ethics, in the 1769 second edition.

Richard Price