There is a famous anecdote concerning this. When Bertrand Russell claimed to a colleague that, from a false statement he could prove anything, he was challenged as follows: "Prove that, if 0 = 1, then you are the King of England."

To this he replied, "Simple. If 0 = 1, then, adding 1 to each side, 1 = 2. Since the King and I are two, it follows that the King and I are one, and hence I am the King of England!"


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