Assertion: curvature's curvature | /r/HasProperty | defined through osculating circle
Facets:
value: originally
type: MANNER
value: historically
type: TEMPORAL
Source sentences:
text: Historically, the curvature of a differentiable curve was defined through the osculating circle, which is the circle that best approximates the curve at a point.
text: The curvature of a differentiable curve was originally defined through osculating circles.