For 10 points, name this German Idealist philosopher who wrote Critique of Pure Reason and formulated the Categorical Imperative.
This thinker described the beautiful, agreeable, good, and sublime types of the titular action in one work. This man distinguished between analytic and synthetic propositions and put forth the possibility of a priori knowledge in his most famous work. This author of Critique of Judgement outlined an ethical rule based in duty that states that every moral question has an absolute answer that must be followed. For 10 points, name this German Idealist philosopher who wrote Critique of Pure Reason and formulated the Categorical Imperative.
This thinker described the beautiful, agreeable, good, and sublime types of the titular action in one work.
Immanuel {Kant}