This philosopher described a hypothetical world of free republics in Perpetual Peace.
This philosopher described a hypothetical world of free republics in Perpetual Peace. His moral ideas forbid lying to murderers about future victims' locations, and he described "mankind leaving its self-imposed immaturity" in What is Enlightenment? He examined the possibility of synthetic a priori truths, and his Groundwork of the Metaphysics of Morals included his categorical imperative. For 10 points, name this German philosoper of Critique of Pure Reason.
This philosopher described a hypothetical world of free republics in Perpetual Peace.
Immanuel Kant