How does justice in the soul relate to and akrasia, according to Plato? Which example does Socrates use to distinguish the spirited part of the soul from the appetitive? What is Glaucon's Challenge to Socrates in Republic II? What is Glaucon's division of goods? What is akrasia, or weakness of the will, in terms of Platonic psychology? Explain what it is for one example of filling to be truer than another. Present three objections to Socrates' third argument for thinking that the contemplative life is the most pleasant one.