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    Evolutionary theory shows that universality at one moment... — Carmelics
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    Challenges→Even if some qualitative property were universal among all extant species specimens after speciation, that property is not guaranteed to remain universal throughout the lifespan of the taxon

    Evolutionary theory shows that universality at one moment does not entail universality across time

    Modality & Possibility
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    Modality & Possibility

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    Even if some qualitative property were universal among all extant species specim...Variability secured by mutation and recombination is the key to evolution

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    If we take such a view of the individuating conditions for the species Homo sapiens, what are the consequences for the question of which organisms belong to the species? It might appear that it leaves open the possibility that speciation has resulted in some intrinsic property or set of properties establishing the cohesion specific to the taxon and that such properties count as necessary and sufficient for belonging to it (cf. Devitt 2008: 17ff.). This appearance would be deceptive. To begin wit

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