Assertion: isometry's point | /r/HasProperty | the origin
Facets:
Source sentences:
text: All are based around choosing a point (the origin) on a chosen directed line (the x-axis) and after that many choices exist.
text: Conversely, the choice of a point called the origin and an orthonormal basis of the space of translations is equivalent with defining an isomorphism between a Euclidean space of dimension n and R n {