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Why Evolution Is Really Indeterministic

Roger Sansom
Synthese
Vol. 136, No. 2 (Aug., 2003), pp. 263-279
Published by: Springer
Stable URL: http://www.jstor.org/stable/20118331
Page Count: 17
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Why Evolution Is Really Indeterministic
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Abstract

Leslie Graves, Barbara Horan and Alex Rosenberg (1999) have argued that the process of evolution is really deterministic, so we should be instrumentalists about our probabilistic evolutionary theory. I criticize the consistency of their view. I argue that because they are realists towards multiple theories (quantum mechanics and macrophysics) their arguments against realism for another scientific theory fail. The main point of this paper is critical, but in order to set up this criticism I explore the ramifications of realism for multiple theories. Finally, I offer a brief metaphysical justification for realism about multiple theories. This view justifies realism for evolutionary theory, which has been defended by Robert Brandon and Scott Carson (1996).

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