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21408 | For any subject, its system of non-experiential concepts needs a metaphysics [Kant] |
Full Idea: A philosophy of any subject (a system of rational knowledge from concepts) requires a system of pure rational concepts independent of any conditions of intuition, that is, a metaphysics. | |
From: Immanuel Kant (Metaphysics of Morals II:Doctrine of Virtue [1797], 375 Pref) | |
A reaction: 'Pure rational concepts' must be a priori, and (in Kant's case) transcendental - i.e. discovered from the study of presuppositions. Does this actually say that the philosophies of science, biology, psychology, economics etc each needs a metaphysics? |