Abstract
This paper proposes a classification of the intertheoretic relations in physics by bringing out the conditions for a relation of reduction which is eliminative, so that a theory reduced in terms of reductionism is superfluous in principle, and by distinguishing such a relation from another one based on comparison, which will be called neighbourhood of theories; the latter is a neighbouring relation between theories and is not able to support claims of eliminative reductionism. In the first part, it will be argued that this differentiation between neighbourhood and eliminative reduction permits an adequate classification of the intertheoretic relations in physics. By means of this differentiation, the second part discusses reductionism and shows that there are indeed some historical examples of reduction in the aforementioned sense, but that modern physical theories are typically only neighbouring.
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I thank the Deutsche Forschungsgemeinschaft for funding my research project on reduction in physics and two anonymous referees for their valuable comments on the manuscript.
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Gutschmidt, R. Reduction and the Neighbourhood of Theories: A New Approach to the Intertheoretic Relations in Physics. J Gen Philos Sci 45, 49–70 (2014). https://doi.org/10.1007/s10838-014-9240-1
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DOI: https://doi.org/10.1007/s10838-014-9240-1