In one work, this thinker claimed that aesthetics 
In one work, this thinker claimed that aesthetics depends on four "reflective judgments:" the agreeable, beautiful, sublime, and good. He described conflicting sets of laws as "antinomies." He contrasted the ideal "noumenon" or "thing in itself" with the sensory world, or "phenomenon." He questioned the existence of synthetic a priori truths, and proposed that people should act only by maxims that they would impose universally. For 10 points, name this formulator of the "categorical imperative," a Prussian philosopher who wrote the Critique of Pure Reason.
In one work, this thinker claimed that aesthetics depends on four "reflective judgments:" the agreeable, beautiful, sublime, and good.
Immanuel Kant