> That doesn't hold when I don't thing this is true. If for no other reasons than pedagogical, it can make sense to separate these things. I do agree there p

> That doesn't hold when I don't thing this is true. If for no other reasons than pedagogical, it can make sense to separate these things. I do agree there probably needs to be at least one other document, but don't know the context the authors presented this one, it was just given as a link.