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  1. The series, the network, and the tree: changing metaphors of order in nature.Olivier Rieppel - 2010 - Biology and Philosophy 25 (4):475-496.
    The history of biological systematics documents a continuing tension between classifications in terms of nested hierarchies congruent with branching diagrams (the ‘Tree of Life’) versus reticulated relations. The recognition of conflicting character distribution led to the dissolution of the scala naturae into reticulated systems, which were then transformed into phylogenetic trees by the addition of a vertical axis. The cladistic revolution in systematics resulted in a representation of phylogeny as a strictly bifurcating pattern (cladogram). Due to the ubiquity of character (...)
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  • (1 other version)Character analysis in cladistics: Abstraction, reification, and the search for objectivity.Rasmus Grønfeldt Winther - 2009 - Acta Biotheoretica 57 (1-2):129-162.
    The dangers of character reification for cladistic inference are explored. The identification and analysis of characters always involves theory-laden abstraction—there is no theory-free “view from nowhere.” Given theory-ladenness, and given a real world with actual objects and processes, how can we separate robustly real biological characters from uncritically reified characters? One way to avoid reification is through the employment of objectivity criteria that give us good methods for identifying robust primary homology statements. I identify six such criteria and explore each (...)
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  • Do Clades Cladogenerate?Olivier Rieppel - 2008 - Biological Theory 3 (4):375-379.
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