The Complex Nexus of Evolutionary Fitness



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Suárez Aller, Mauricio (2022) The Complex Nexus of Evolutionary Fitness. European Journal for Philosophy of Science, 12 (1). ISSN 1879-4912

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The propensity nature of evolutionary fitness has long been appreciated and is nowadays amply discussed (Abrams, 2009, 2012; Ariew & Ernst, 2009; Ariew & Lewontin, 2004; Beatty & Finsen, 1989; Brandon, 1978; Drouet & Merlin, 2015; Mills & Beatty, 1979; Millstein, 2003, 2016; Pence & Ramsey, 2013; Sober, 1984, 2001, 2013, 2019; Walsh, 2010; Walsh et al., 2016; etc). The discussion has, however, on occasion followed long standing confations in the philosophy of probability literature between propensities, probabilities, and frequencies. In this paper, I apply a more recent conception of propensities in modelling practice (the ‘complex nexus of chance’, CNC) to some of the key issues, regarding the mathematical representation of ftness and how it may be regarded as explanatory. The ensuing complex nexus of ftness (CNF) emphasises the distinction between biological propensities and the probability distributions over ofspring numbers that they give rise to; and how critical it is to distinguish the possession conditions of the underlying dispositional (physical and biological) properties from those of their probabilistic manifestations.

Item Type:Article
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CRUE-CSIC (Acuerdos Transformativos 2021)

Uncontrolled Keywords:Philosophy of Biology, Philosophy of Probability, Chance, Fitness
Subjects:Humanities > Philosophy
ID Code:70694
Deposited On:23 Feb 2022 11:37
Last Modified:23 Feb 2022 11:41

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