Assertion: ellipse's axis | /r/HasProperty | half of the major axis
Facets:
value: from center of ellipse
type: LOCATION
value: more properly
type: MANNER
Source sentences:
text: The Semi-major Axis is half of the Major Axis, and the Semi-minor Axis is half of the Minor Axis.
text: The semi-major axis (more properly, major semi-axis) is one half of the major axis, and thus runs from the centre, through a focus, and to the perimeter.
text: semi major axis is half of the major axis, from center of ellipse to a vertex.