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    Iterative deletion procedures derive their justification ... — Carmelics
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    Supports→Deleting weakly dominated strategies just like strictly dominated strategies has odd consequences

    Iterative deletion procedures derive their justification from common knowledge of rationality, but weak dominance deletion requires stronger assumptions that are not grounded in that basis.

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    Key Terms

    Dominance (in decision theory)(as used in game theory and rational decision-making)
    When one choice is better than another in all possible situations, making the worse choice irrational to pick.
    Grounded in (philosophical usage)(as used in epistemology and justification)
    Built on a solid foundation of reasoning or evidence; justified by something more basic or fundamental.
    Iterative deletion procedures(as used in game theory and decision-making)
    A step-by-step process where you repeatedly remove options that don't make sense, one round at a time, based on what remains after each removal.
    Weak dominance deletion(game theory)
    A method for simplifying games by removing choices that are never quite the best option, even if other options are only slightly better.
    common knowledge of rationality

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    (Epistemic game theory)
    An epistemic condition in which all players are rational, all players know all players are rational, all players know that all players know all players are rational, and so on ad infinitum
    knowledge(Distinguished from mere true belief, which may be the product of indoctrination and need not exercise deliberative capacities.)
    Justified true belief — true belief that has been arrived at through the exercise of deliberative capacities, including comparison of and deliberation among alternatives.

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    Truth & Knowledge1 linkedModality & Possibility1 linked

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