Published online by Cambridge University Press: 01 January 2022
It has been suggested that we can tell whether two theories are equivalent by comparing the structure that they ascribe to the world. If two theories posit different structures, then they must be inequivalent. The aim of this article is to evaluate the extent to which this desideratum holds for the different standards of equivalence that are currently on the table.
Thanks to Seb de Haro, Neil Dewar, Hans Halvorson, Laurenz Hudetz, and Jim Weatherall for helpful discussion.