For 10 points, name this English philosopher who collaborated with Alfred North Whitehead on the three volume Principia Mathematica.
This author of "On Denoting" described the reasoning behind his atheism in the lecture "Why I Am Not a Christian." That a set containing all sets not members of themselves cannot be a member of itself is known as this man's paradox. For 10 points, name this English philosopher who collaborated with Alfred North Whitehead on the three volume Principia Mathematica.
This author of "On Denoting" described the reasoning behind his atheism in the lecture "Why I Am Not a Christian."
Bertrand Arthur William {Russell}