read the whole Book II and the allegory of cave in Book VII
text available at http://classics.mit.edu/Plato/republic.html
Journals due on September 23
guidance questions:
1. Glaukon mentioned three kinds of good, to which does justice belong?
2. Which problem did Adeimantos find in poems and religion? What does he want Socrates to prove?
3. What's the requirement of guardians in the proposed city?