Decision theory

currently here as a placeholder for concepts like ‘expected utility’.


  • Expected utility formalism

    Expected utility is the central idea in the quantitative implementation of consequentialism

  • Logical decision theories

    Root page for topics on logical decision theory, with multiple intros for different audiences.

  • Causal decision theories

    On CDT, to choose rationally, you should imagine the world where your physical act changes, then imagine running that world forward in time. (Therefore, it’s irrational to vote in elections.)

  • Evidential decision theories

    Theories which hold that the principle of rational choice is “Choose the act that would be the best news, if somebody told you that you’d chosen that act.”

  • Modal combat

    Modal combat