Abstract
The aim of this article is to use a model from the origin of life studies to provide some depth and detail to our understanding of exploratory models by suggesting that some of these models should be understood as indeterminate. Models that are indeterminate are a type of exploratory model and therefore have extensive potential and can prompt new lines of research. They are distinctive in that, given the current state of scientific understanding, we cannot specify how and where the model will be useful in understanding the natural world: in this case, the origin of life on Earth. The purpose of introducing indeterminacy is to emphasize the epistemic uncertainty associated with modeling, a feature of this practice that has been under emphasized in the literature in favor of attempts to understand the more specific epistemic successes afforded by models.
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A number of authors discuss models without targets and how such models relate to various accounts of modeling is intensely complex (Contessa, 2011; French, 2003; French, 2014; Frigg & Nguyen, 2016; Gelfert, 2018; Giere, 2010; Knuuttila, 2005; Massimi, 2018; Massimi, 2019; Poznic, 2016; Suárez, 2003)
See Neveu et al., 2013 for an overview of the advantages of the view
See Bernhardt, 2012 for an overview of some of the problems with the RNA-first hypothesis.
Whether and to what extent it provides this proof is open to question. See Lancet et al., 2018 for some discussion of the criticisms of the model and how those criticisms might be ameliorated.
There are many ways to adjust this equation and many versions of it. Choice of version depends in part on what assumptions and what levels of precision researchers are interested in exploring. This particular version is used by Segré et al. (1998a). I discuss it here because it is the original and the first demonstration of a compositional genome. For a brief history of the model, see Lancet et al. (2019). A more recent version can be found in Lancet et al. (2018), a version which links the model dynamics more closely with entropy, a topic beyond the scope of this article.
The model is not heuristic if by the term we mean a tool that is merely convenient for achieving some task, but which we think has no truth or real-world significance behind it. However, heuristic models are not well defined, so there is scope for taking a different position on this matter if one were to take an alternative stance toward what it means to be heuristic.
Reydon and the other authors here are working within a deductive-nomological framework (Hempel & Oppenheim, 1948). In this framework, one uses initial conditions and covering laws to generate predictions. One achieves an explanation for a phenomena when one is able to use those initial conditions and laws to accurately predict that phenomenon.
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This work was conducted with the generous support of a Junior Fellowship at the Institute for Cross-Disciplinary Engagement at Dartmouth College, 6127Wilder Hall, Hanover, New Hampshire, 03755 USA.
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Jacoby, F.R. Exploratory modeling and indeterminacy in the search for life. Euro Jnl Phil Sci 12, 37 (2022). https://doi.org/10.1007/s13194-022-00469-7
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DOI: https://doi.org/10.1007/s13194-022-00469-7