five plus seven. For the aviary model to succeed it needed to solve the puzzle of how we can know and not know at the same time (196C2).
In the first place, for someone who has knowledge of anything to be ignorant of that very thing, not by means of ignorance but by means of his own knowledge, and next have the opinion that this is something else and something else in turn is this, how is that not a load of nonsense (199d1-4) FOOTNOTE
Socrates states his objection in a rather absurd form making knowledge of the numbers eleven and twelve as the reason or explanation of not knowing that five plus seven equals twelve. In this regard; the Aviary analogy can neither account nor provide a solution to the problem of how mistakes of knowing/not knowing
