Assertion: coordinate | /r/HasProperty | signed distances
Facets:
value: to each of the planes
type: LOCATION
value: to the lines
type: LOCATION
Source sentences:
text: In the plane, two perpendicular lines are chosen and the coordinates of a point are taken to be the signed distances to the lines.
text: In three dimensions, three mutually orthogonal planes are chosen and the three coordinates of a point are the signed distances to each of the planes.