Assertion: cone | /r/HasProperty | generated to steiner
Facets:
value: similarly
type: DEGREE
value: according to g. b. halsted
type: OTHER
Source sentences:
text: According to G. B. Halsted, a cone is generated similarly to a Steiner conic only with a projectivity and axial pencils (not in perspective) rather than the projective ranges used for the Steiner conic: