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    Made withinDC&Austin
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    Home/Original/inverse
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    Inverse View

    It is not the case that Hull's own lineage theory entails that the relevant causal continuity is genealogical descent, not specifically sexual reproduction, making the sexual reproduction premise unnecessarily restrictive.

    ?Set your confidence on the premises below to see your aggregate.

    Reasons For

    1 perspective
    Reason for
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    • 1.Hull's lineage theory was developed partly to explain why sexual reproduction coheres species; removing this criterion undermines the theory's original motivation.
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    • 2.Genealogical descent alone is too permissive—it includes parent-offspring chains from grafting, cloning, and infection that intuitively lack species-level continuity.
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    • 3.Sexual reproduction provides an empirically tractable boundary condition; pure genealogy requires specifying which causal chains count, creating new theoretical problems.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Hull's theory defines species through causal lineage chains, not reproductive mechanisms, making genealogical descent the core concept.
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    • 2.Asexual organisms, parthenogenetic species, and horizontal gene transfer in bacteria show that genealogical continuity persists without sexual reproduction.
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    • 3.Requiring sexual reproduction artificially excludes viable lineages from species status despite maintaining the causal-historical continuity Hull emphasizes.
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