If it works properly, it would need to say that it doesn't know that it doesn't know, and then where are you? (Short answer is yes, but it only works for a lim

If it works properly, it would need to say that it doesn't know that it doesn't know, and then where are you? (Short answer is yes, but it only works for a limited set of things, and that set can be expanded with effort but will always remain limited.)