Assertion: euclidean geometry | /r/CapableOf | arise as a sub-geometry
Facets:
value: by confining attention
type: MANNER
Source sentences:
text: Klein had only recently succeeded in showing that non-Euclidean geometry arises as a sub-geometry by confining attention to the interior of a conic in projective space and to the subgroup that maps the interior of that conic to itself (see Klein 1871, 1873).