This thinker combined the categories of a priori and a posteriori with those of the analytic and synthetic.
This philosopher imagined a "kingdom of ends" in which one of his concepts was always acted upon. He urged readers to "act only according to that maxim whereby you can at the same time will that it should become a universal law" in his (*) Groundwork for the Metaphysics of Morals, which formulated his "categorical imperative." This thinker combined the categories of a priori and a posteriori with those of the analytic and synthetic. For 10 points, name this German philosopher who wrote the Critique of Pure Reason.
This philosopher imagined a "kingdom of ends" in which one of his concepts was always acted upon.
Immanuel {Kant}