Plato, 10/5/10: first of two classes

One Homer but many Socrateses.  Early, Middle, and Late Dialogues, plus Xenophon.  Ordering of the dialogues, ordering of Socrates's life.  Mention of the Parmenides, purported to have occurred about a century before Plato wrote it.  Zeno's paradoxes.  Galileo's.  Diogenes the Cynic's refutation of Zeno. Quick exposition of the Forms or Ideas.