User blog comment:Vel!/Googology and well-defined-ness/@comment-4224897-20141007121620/@comment-4224897-20141007121919

And to add on to that, I like the grading system a lot because it's a continuum and it isn't black and white, and black-and-white ideas tend to irk me a little because they don't allow room for further classification, or intermediates.