The Republic by Plato Part 1 Page 34

answer, and try irony or any other shuffle, in order that he might avoid answering?

You are a philosopher, Thrasymachus, I replied, and well know that if you ask a person what numbers make up twelve, taking care to prohibit him whom you ask from answering twice six, or three times four, or six times two, or four times three, ‘for this sort of nonsense will not do for me,’ — then obviously, if that is your way of putting the question, no one can answer you. But suppose that he were to retort, ‘Thrasymachus, what do you mean?

If one of these numbers which you interdict be the true answer to the question, am I falsely to say some other number which is not the right one? — is that your meaning?’ — How would you answer him?