For 10 points, name this analytic philosopher who wrote Principia Mathematica with Alfred Whitehead.
This thinker argues that wars of colonization are justified if the invaders make better use of the land in "The Ethics of War." In one paper, he uses examples such as "the present King of England" to formulate his theory of descriptions. Aside from "On Denoting," he co-wrote a work which avoids his namesake paradox by introducing a theory of(*) types, according to which constructs such as "the set of all sets that do not contain themselves" are impossible. For 10 points, name this analytic philosopher who wrote Principia Mathematica with Alfred Whitehead.
This thinker argues that wars of colonization are justified if the invaders make better use of the land in "The Ethics of War."
Bertrand {Russell}