Incommensurability is the impossibility to determine how two options relate to each other in terms of conventional comparative relations. This book features new research on incommensurability from philosophers who have shaped the field into what it is today, including John Broome, Ruth Chang and Wlodek Rabinowicz.The book covers four aspects relating to incommensurability. In the first part, the contributors synthesize research on the competing views of how to best explain incommen...