Ned Markosian (1997) tells the tale of some befuddled philosophers. The philosophers are approached by an angel who promises them a truthful answer to a question of their choosing. After much debate, the philosophers settle on the following: (Q1) What is the ordered pair <x, y>, where x = the best question to ask, and y = the answer to that question?1 In response, the angel answers: “It is the ordered pair whose first member is the question you just asked me, and whose second member is this answer I am giving you.” (1997, p.96) That is, he offers the following answer: (A1) <Q1, A1> The problem is that Q1 seems like a very good question to ask, but A1 seems like a very bad answer to receive. Markosian asks: “What went wrong?” (p.97) Before answering Markosian’s question, we should first appreciate the paradoxical nature of his story.2 Either Q1 is the best question or not. Suppose that it is. Then Q1 must have an answer, since a question without an answer would hardly be the best question to ask. Call the hypothetical answer X. If X is the answer to Q1, then it must be an ordered pair consisting of Q1 and itself. In other words, X = <Q1, X>.3...