Lecture #8 was an introduction to multiagent interaction.
Additional reading to go with the class is:
D. Hofstadter, "The Prisoner's Dilemma Computer Tournaments and the Evolution of Cooperation", in Metamagical Themas: Questing for the Essence of Mind and Pattern, (D. Hofstadter, Penguin, 1986), 715-734.while the classic work on the Prisoner's Dilemma is:
R. Axelrod, The Evolution of Cooperation, Basic Books.Anyone interested in the PD is well advised to beg, borrow, or steal a copy (and then read it, of course).