Naturalism and Realism in Kant's Ethics

In this comprehensive assessment of Kant's metaethics, Frederick Rauscher shows that Kant is a moral idealist rather than a moral realist and argues that Kant's ethics does not require metaphysical commitments that go beyond nature. Rauscher frames the argument in the context of Kant's non-naturalistic philosophical method and the character of practical reason as action-oriented. Reason operates entirely within nature, and apparently non-natural claims - God, free choice, and value - are sh...