For 10 points, name this German thinker who theorized the categorical imperative and wrote Critique of Pure Reason.
This thinker proposed monogamous marriage as the best way to avoid female sacrifice of "absolute inner worth" in objectifying sexual relations. He distinguished between beauty attached to a set of ideas, called "adherent" beauty, and a purer "free" beauty in a treatise dealing with the "determining" and "reflective" aspects of the title concept. In another treatise, he argued that existence is not a predicate of any argument for the existence of God and outlined the (*) "Transcendental Doctrine of Method." He claimed that a morally sound maxim is one which could be wished to be a universal law in his Groundwork of the Metaphysics of Morals. For 10 points, name this German thinker who theorized the categorical imperative and wrote Critique of Pure Reason.
This thinker proposed monogamous marriage as the best way to avoid female sacrifice of "absolute inner worth" in objectifying sexual relations.
Immanuel Kant