Elementary Mathematics from an Advanced Standpoint: Geometry by Felix Klein 1939

"Thestructureofthesecondvolumeisdifferentfromthefirstone.Whileissuesofteachingweretherealwaysintegratedintothevariousconceptualtopics,Kleindecidedtogivetheconceptualexpositionasacoherentpresentationandtodiscussquestionsofteachinginaseparatechapter.Inthismanner,Kleinwasabletor