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    Groups of two cooperators each have only a 50% probabilit... — Carmelics
    Home/Moral Responsibility
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    Supports→Isolated cooperators and small groups of cooperators (fewer than four) face extinction in a spatial prisoner's dilemma

    Groups of two cooperators each have only a 50% probability of interacting with another cooperator, leaving their average expected fitness below that of neighbouring defectors

    Moral ResponsibilitySocial Contract
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    Moral ResponsibilitySocial Contract

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    Consequentialism1 linked

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    Groups of three cooperators form an unstable point from which extinction and exp...Isolated cooperators and small groups of cooperators (fewer than four) face exti...Isolated cooperators have lower expected fitness than surrounding defectors

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    Isolated cooperators have lower expected fitness than surrounding defe...89%Groups of cooperators above a critical threshold have higher average f...85%Single defectors on the periphery of a cooperator-dominated population...80%When cooperators form sufficiently large groups, cooperators as a grou...78%

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    SEP: game-theory
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    One of Skyrms’s models introduces correlation by means of a filter on pairing for interaction. Suppose that in round 1 of a dynamic PD individuals inspect each other and interact, or not, depending on what they find. In the second and subsequent rounds, all individuals who didn’t pair in round 1 are randomly paired. In this game, the basin of attraction for defection is large unless there is a high proportion of cooperators in round one. In this case, defectors fail to pair in round 1, then get

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