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  1. Richard A. Richards (2011). Achinstein and the Evidence for Evolution. In Gregory J. Morgan (ed.), Philosophy of Science Matters: The Philosophy of Peter Achinstein. Oxford University Press. 191.
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  2. Richard A. Richards (2010). The Species Problem: A Philosophical Analysis. Cambridge University Press.
    There is long-standing disagreement among systematists about how to divide biodiversity into species. Over twenty different species concepts are used to group organisms, according to criteria as diverse as morphological or molecular similarity, interbreeding and genealogical relationships. This, combined with the implications of evolutionary biology, raises the worry that either there is no single kind of species, or that species are not real. This book surveys the history of thinking about species from Aristotle to modern systematics in order to understand (...)
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  3. Richard A. Richards (2009). Classification in Darwin's Origin. In Michael Ruse & Robert J. Richards (eds.), The Cambridge Companion to the "Origin of Species". Cambridge University Press.
     
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  4. Richard A. Richards (2009). Functional Analysis and Character Transformation. In Manfred Laubichler & Jane Maienschein (eds.), Form and Function in Developmental Evolution. Cambridge University Press. 176.
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  5. Richard Richards (2008). Species and Taxonomy. In Michael Ruse (ed.), The Oxford Handbook of Philosophy of Biology. Oxford University Press. 161-188.
     
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  6. Richard A. Richards (2007). Solving the Species Problem: Kitcherandhullon Sets and Individuals. In Mohan Matthen & Christopher Stephens (eds.), Philosophy of Biology. Elsevier. 144--215.
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  7. Richard A. Richards (2006). Evolutionary Naturalism and the Logical Structure of Valuation: The Other Side of Error Theory. Cosmos and History: The Journal of Natural and Social Philosophy 1 (2):270-294.
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  8. Richard A. Richards (2005). Is Domestic Breeding Evidence for (or Against) Darwinian Evolution? In P. Achinstein (ed.), Scientific Evidence: Philosophical Theories & Applications. The Johns Hopkins University Press.
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  9. Richard A. Richards (2005). Natural Kinds and Conceptual Change. International Philosophical Quarterly 45 (3):412-414.
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  10. Richard A. Richards (2005). [Richards on Evaluation]: Reply to Dickie. Journal of Aesthetics and Art Criticism 63 (3):285 - 287.
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  11. Richard A. Richards (2004). A Fitness Model of Evaluation. Journal of Aesthetics and Art Criticism 62 (3):263–275.
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  12. Richard Richards (2003). Character Individuation in Phylogenetic Inference. Philosophy of Science 70 (2):264-279.
    Ontological questions in biology have typically focused on the nature of species: what are species; how are they identified and individuated? There is an analogous, but much neglected concern: what are characters; how are they identified and individuated? Character individuation is significant because biological systematics relies on a parsimony principle to determine phylogeny and classify taxa, and the parsimony principle is usually interpreted to favor the phylogenetic hypothesis that requires the fewest changes in characters. But no character individuation principle identified (...)
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  13. Paul Thagard, Kim Sterelny, Richard Richards, Denis M. Walsh, James W. McAllister, Marcel Boumans, Meir Hemmo, Orly Shenker & Matthew W. Parker (2003). 10. Response to Vollmer's Review of Minds and Molecules Response to Vollmer's Review of Minds and Molecules (Pp. 391-398). [REVIEW] Philosophy of Science 70 (2).
     
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  14. Richard C. Richards (2002). Kuhnian Values and Cladistic Parsimony. Perspectives on Science 10 (1):1-27.
    : According to Kuhn, theory choice is not governed by algorithms, but by values, which influence yet do not determine theory choice. Cladistic hypotheses, however, seem to be evaluated relative to a parsimony algorithm, which asserts that the best phylogenetic hypothesis is the one that requires the fewest character changes. While this seems to be an unequivocal evaluative rule, it is not. The application of the parsimony principle is ultimately indeterminate because the choice and individuation of characters that figure in (...)
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  15. Richard A. Richards (1997). Darwin and the Inefficacy of Artificial Selection. Studies in History and Philosophy of Science Part A 28 (1):75-97.