Proposed definitions of virtue. Learning is impossible. The Slave Boy Experiment shows we don't need to learn. Argument for the claim that Virtue is Knowledge .
Empirical considerations show that there are no teachers of virtue .
He is real, but also a character in many Platonic dialogues. The Meno represents a transitional stage, where he's probably half real, half fictional. Many scholars think his claim not to know anything, as well as his claim that no one does harm willingly might have been genuine Socratic doctrines. The doctrine of recollection, however, is almost certainly Plato's, not Socrates's. A definition is a search for one common character.