info prev up next book cdrom email home

Pencil

The set of all Lines through a point. Woods (1961), however, uses this term as a synonym for Range.

See also Near-Pencil, Perspectivity, Range (Line Segment), Section (Pencil), Sheaf (Geometry)


References

Woods, F. S. Higher Geometry: An Introduction to Advanced Methods in Analytic Geometry. New York: Dover, pp. 8 and 11-12, 1961.




© 1996-9 Eric W. Weisstein
1999-05-26