Chapter 10 <You are the one with horns>

The famous ancient Greek sophist Obrides once said to a person: What you have not lost is what you have, right?The man replied: Of course! Then Obrides said: You have not lost the horns, so you are the one with the horns.The man was bewildered, knew he had been fooled, and could not explain why, and did not know how to refute Obrides. The sophistry of Obrides lies in that the former not lost means that what you originally had still exists, and the latter not lost means that what you did not have at all still exists.It is imposed, because something that never was, there is no question of being or not being lost.

It can be seen that in Obrides' discussion, the word was not lost, and two different concepts were expressed before and after, making the mistake of subverting concepts.