Liar paradox # General Hofstadter:Metamagical Themas Gödel, Escher, Bach Prisoner’s Dilemma # Lawvere’s ideas may have corollaries for Prisoner’s Dilemma (worth of reviewing, I think): Cantor’s theorem, the prisoner’s dilemma, and the halting problem Robust Cooperation in the Prisoner’s Dilemma: Program Equilibrium via Provability Logic