1. What different senses of “moral skepticism” does Mackie distinguish? Which one represents his position?
  2. Mackie contrasts his position with both noncognitivism and naturalism. What are each of these positions, and how does Mackie’s position differ from them?
  3. What two arguments does Mackie give for his claim that there are no objective values? Do you find these arguments convincing? Why or why not?
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