The Paradox of the Unexpected Hanging

The next day at dawn, the jailer wakes the man up. The judge is outside the cell. "It is time," he says "for your execution." "What!? But I proved to you logically that it cannot be done!" "Maybe so," says the judge "but nevertheless you failed to predict it." The man goes silently to his death.

 

 

(Click the poorly drawn gallows for some notion of what the afterlife is like.)