According to tom nagel, what is ultimately "wrong" with theories that derive "meaning" from within one’s life?
a) they suffer from the anti-reduction puzzle.
b) they suffer from the infinite regress puzzle.
c) they do not answer the quintessential philosophical question: "what is the meaning of one’s life as a whole? ", "what is the point of the whole thing? "
d) nothing, negel thinks that meaning comes from within life.
e) none of the above