Explore decision theory as a test of coherence in this thought-provoking one-hour lecture by renowned economist Itzhak Gilboa, presented as part of the One World Mathematical Game Theory Seminar. Delve into the intricate relationship between decision-making processes and logical consistency, examining how theoretical frameworks can be applied to assess the coherence of choices and beliefs. Gain valuable insights into the mathematical foundations of decision theory and its implications for understanding rational behavior in various contexts.