1. Thanks are due to an anonomous referee for encouraging us to develop this objection here.
2. Notable exceptions are the recent Kuhn scholarship of Paul Hoyningen-Huene (1990, 1993) and the work of Michael Friedman (2002).
3. For example, if the probability distribution functions take the form i(1-e)-kn, for n workers allotted and with i “intrinsic promise”; or if they take the form of a logistic-growth equation from population biology (Kitcher 1990, pp. 12-3).