Problem
i. Why does Mackie believe that there are no objective values?
ii. Why does Nagel believe that there is at least one objective value?
iii. Why does Harman agree with Aristotle that ethics is not a branch of science?
iv. What definitions of human nature does Shafer-Landau reject, and why? Ultimately, what theory of human nature does he seem to accept?
v. What are Philippa Foot's solutions to the trolley and surgeon problems, and why does Thomson reject these solutions?
vi. According to Peter Singer, why do affluent nations have a duty to relieve world suffering?