Argument from Definition to Verbal Classification: The Case of Redefining 'Planet' to Exclude Pluto
Douglas Walton · SSRN Electronic Journal · 2008
The recent redefinition of 'planet' that excludes Pluto as a planet led to controversy that provides a case studyof how competing scientific definitions can be supported by characteristic types of evidence. Using tools from argumentation and AI, it is shown how argumentation schemes, in particular argument from verbal classification and argument from definition to verbal classification, apply to cases of scientific argumentation.