Author of A History of Western Philosophy and "Why I Am Not a Christian," for 10 points, name this co-author of Principia Mathematica with Alfred Whitehead.
This man discusses the violation of the law of the excluded middle in the theories of Meinong and Frege in his "On Denoting." He recanted his earlier belief that one can arrive at a single elementary fact, a belief he explicated in "The Philosophy of Logical Atomism." In one essay, he answers the title religious inquiry by stating that it "has been and still is the principal enemy of moral progress in the world." Author of A History of Western Philosophy and "Why I Am Not a Christian," for 10 points, name this co-author of Principia Mathematica with Alfred Whitehead.
This man discusses the violation of the law of the excluded middle in the theories of Meinong and Frege in his "On Denoting."
Bertrand Arthur William {Russell}, 3rd Earl Russell