@finmoorhouse 0th Order Ignorance: Lack of Ignorance. I have 0OI when I know something and can demonstrate that I know it. Characterized by statements like: "Let me show you how to do it."
@finmoorhouse 1st Order Ignorance: Lack of Knowledge. I have 1OI when I know that I don't know something, but I know there is a way to acquire that knowledge. With 1OI we have the question in a well-factored form.