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    Nowak and May (1992) demonstrated that spatial structure ... — Carmelics
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    Challenges→If the proportion of Fairmen falls below 33%, Fairmen tend toward extinction.

    Nowak and May (1992) demonstrated that spatial structure sustains cooperative strategies at frequencies that well-mixed models predict extinction, undermining the 33% threshold's generality.

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    Key Terms

    33% threshold(a previously accepted rule that the study challenges)
    A specific prediction that cooperation would disappear in a population unless at least 33% of individuals were already cooperating.
    Cooperative strategies(the type of behavior being studied)
    Actions or behaviors where individuals work together or help each other, even when it might cost them something personally.
    Nowak and May (1992)(as cited researchers in game theory and evolution)
    Martin Nowak and Robert May are evolutionary biologists who published an influential study showing how the physical arrangement of organisms in space affects whether they cooperate with each other.
    Spatial structure(as used in metaphysics)
    How something is organized in physical space—the shape, location, and arrangement of things in the space around us.

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    Well-mixed models(contrasted with spatial structure models)
    Mathematical models that assume everyone in a population has an equal chance of interacting with everyone else, like thoroughly shuffling cards in a deck.
    extinction(in biology and conservation)
    The permanent disappearance of a species from Earth, meaning no members of that species exist anywhere anymore.
    generality(The statement suggests the claim doesn't work as broadly as it seems to.)
    The quality of applying broadly or widely to many cases; when something is general, it works across different situations rather than just one specific case.

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    2 topics

    Consequentialism1 linkedMoral Responsibility1 linked

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    If the proportion of Fairmen falls below 33%, Fairmen tend toward extinction.

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