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If my initial essay at a minimum had the objective of generating a debate and fruitful exchanges, it has succeeded. Of course, probably because of the inevitable ambiguities of translation, some of Chris Kobrak's, Andrew Popp's, and Paul Tiffany's comments suggest that a few further remarks are in order to clarify a set of ideas and allow further developments or discussions.
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Eric Godelier (2009) studied this question.
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