De la selección natural al diseñouna propuesta de extensión del darwinismo formal

  1. Airoldi, Giorgio 1
  2. Saborido, Cristian 1
  1. 1 Departamento de Lógica, Historia y Filosofía de la Ciencia, UNED
Zeitschrift:
Metatheoria

ISSN: 1853-2330,  1853-2322

Datum der Publikation: 2017

Titel der Ausgabe: Special Volume - Philosophy of Biology in Iberoamerica - Part I

Ausgabe: 8

Nummer: 1

Seiten: 71-80

Art: Artikel

DOI: 10.48160/18532330ME8.163 DIALNET GOOGLE SCHOLAR lock_openOpen Access editor

Andere Publikationen in: Metatheoria

Zusammenfassung

Darwin’s claim that Natural Selection, through optimization of fitness, explains complex biological design has not yet been properly formalized. Alan Grafen’s Formal Darwinism Project aims at providing such a formalization and at demonstrating that fitness maximization is coherent with results from Population Genetics, usually interpreted as denying it. We suggest that Grafen’s proposal suffers from some limitations linked to its concept of design as optimized fitness. In order to overcome these limitations, we propose a classification of evolutionary facts based on a bi-dimensional complexity space, which adds robustness to fitness as measure of the quality of a design. In this space, each point representsan organismic architecture, and movement between two points would be an evolutionary fact. Natural Selection explains movement along the fitness axis, while non-selective mechanisms explain movement on the robustness axis. Moreover, we propose a thermodynamic metaphor to draw parallelisms between notions of fitness and entropy, robustness and energy, and movement in this space and reversible and irreversible cycles. We argue that this metaphor illustrates different evolutionary processes usually overlooked by proposals of formalization of Darwinian theory, such Grafen’s Formal Darwinism Project.

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