Before revision: For example, any three skew lines in PG(3,q) are contained in exactly one regulus.Albrecht Beutelspacher & Ute Rosenbaum (1998) Projective Geometry, page 72, Cambridge University Press See also 3D rotation Rotation formalisms in three dimensions Dimensional analysis Distance from a point to a plane Four-dimensional space Three-dimensional graph Solid geometry Notes References Arfken, George B. and Hans J. Weber.
After revision: Terms of orientationFor example, any three skew lines in PG(3,q) are contained in exactly one regulus.Albrecht Beutelspacher & Ute Rosenbaum (1998) Projective Geometry, page 72, Cambridge University Press See also 3D rotation Rotation formalisms in three dimensions Dimensional analysis Distance from a point to a plane Four-dimensional space Three-dimensional graph Solid geometry Notes References Arfken, George B. and Hans J. Weber.