more on this theme | more from this thinker | more from this text
Full Idea
Felix Klein's so-called 'Erlangerprogramm' in geometry involved characterizing the various branches of geometry by what transformations were irrelevant to each.
Gist of Idea
Klein summarised geometry as grouped together by transformations
Source
Willard Quine (Natural Kinds [1969], p.137)
Book Ref
Quine,Willard: 'Ontological Relativity and Other Essays' [Columbia 1969], p.137