Abstract
I propose an adaptationist theory of cosmological natural selection with intelligence (CNSI) that corrects an apparent error in Smolin’s theory of cosmological natural selection (Smolin’s CNS). Smolin’s CNS is a mostly reasonable extension of speculative yet conventional cosmological ideas, such as that we live in a multiverse and that black holes generate new universes by leading to big bang-like events. It extends these ideas by noting that if some universe types were particularly capable of producing new universes that were similar to themselves (i.e. at reproducing), then they would become particularly well represented in the multiverse; in other words, universes may evolve via Darwinian selection. Smolin’s CNS seems to err, however, in identifying black holes as the aspect of the universal ‘phenotype’ that is most likely to constitute an adaptation for universe reproduction. The error stems from overlooking what could be considered the ‘first law of Darwinian adaptation’: aspects of a phenotype that exhibit more improbable complexity are more likely to be adaptations. Because intelligent life exhibits higher improbable complexity (and therefore lower entropy) than black holes, it is more likely than black holes to be an adaptation for universe reproduction. From this perspective, biological evolution would represent a developmental subroutine of cosmological evolution, and the ultimate function of intelligent life would be to develop the knowledge and technology that would ultimately enable the universe to reproduce. This simple adaptationist correction to Smolin’s CNS produces a CNSI theory which more thoroughly explains the existence of complexity in our universe, because it directly accounts for not just non-biological order but biological order as well. Scientifically, the adaptationist framework of CNSI could be useful for facilitating conceptual integration between biology and physics. Philosophically, this framework is notable especially for implying that life serves a fundamental ‘purpose’ and that ‘moral progress’ can be objectively, if only broadly, defined.
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Notes
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Gould and Vrba (1982) propose ‘exaptation’ as another category of organismal trait. They define exaptation as a trait that has a function that it did not evolve to fulfil in the first place. This could be a by-product that is subsequently fashioned by selection to fulfil a function, but is more commonly conceived as an adaptation that evolved to fulfil one function and that then got co-opted by selection to fulfil a different function. For purposes of this chapter, however, so-called exaptations can be regarded as equivalent to adaptations. That is, the ‘adaptation’ category here includes all functional organismal traits and so subsumes the ‘exaptation’ category.
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Thanks to John Smart and Clément Vidal for detailed comments on the manuscript, and thanks also to John Campbell, Georgi Yordanov Georgiev, Claudio Flores Martinez, and Jade Price.
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Price, M.E. (2019). Cosmological Natural Selection and the Function of Life. In: Georgiev, G., Smart, J., Flores Martinez, C., Price, M. (eds) Evolution, Development and Complexity. Springer Proceedings in Complexity. Springer, Cham. https://doi.org/10.1007/978-3-030-00075-2_1
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