Assertion: rotation | /r/HasProperty | axis
Facets:
value: outside of it
type: OTHER
Source sentences:
text: The rotation article only talks about dimensions 2 and 3, and says that a rotation is about a point or an axis (which means only two eigenvalues not 1).
text: Revolution is the circular motion of an object around another object, or an axis outside of it.
text: Rotation about z axis is: Rz = cos(a)
text: Rotation about y axis is: Ry = cos(a) 0 sin(a) 0 1 0 -sin(a) 0 cos(a)