It's linguistic trickery, like saying prisoners can't escape because if they escape they're not really prisoners now are they?
That's a good point, but it's not a solution (so much as a repitition) of the problem. How is it possible that prisoners can escape? Or that ships can sink?
I'm not saying I actually doubt that ships can sink, prisoners can escape, and people can die. That would be insane. My problem is that I have a hard time denying the force of the argument.
Here's the new thread for posting quotes, with the usual rules: