See, there's no such thing as negative apples. Sure, they exist in math - but they don't exist in reality. You can possess a chit that says you owe apples but,

See, there's no such thing as negative apples. Sure, they exist in math - but they don't exist in reality. You can possess a chit that says you owe apples but, in reality, you only have said chit and do not actually possess negative apples. The post may not have been clear enough, but the point was to show that it's still very much a philosophy.