G枚del: A life of logic, the mind, and mathematics by John Casti and
Werner Depauli, Perseus, 拢18.50, ISBN 0738202746
A MAN is walking by the banks of the Nile with his child. A crocodile jumps
out of the river, seizes the child, then says, “I will return the child if you
guess correctly whether or not I will return the child.” The father replies:
“You will not return the child.” No one recorded the crocodile’s reply.
No wonder. I suspect that what distinguishes us from other animals鈥攅ven
all other hominids鈥攊s our ability to grasp these puzzles and understand…



