Projective geometry for use in colleges and schools (1911)
Milne, William P. (William Proctor), 1881- · London : Macmillan · leaf 24
is the projection of thestraight line I with respect to the vertex of projection O. Range of Points. If a number of points all lie on thesame straight line, they are called a range of points/^) Corollary I. The projection of a range of pointsis a range of points. Corollary II. The projection of two… … Fig. 3. 4 PROJECTIVE GEOMETRY Pencil of Lines. If a number of straight lines all liein the same plane and all pass through the same point,they are said to form a pencil of lines.(2) Corollary III. 11 te iirojection of a ^pencil of linesis a pencil of lines. 6. The following propositions will now be…
Geometry, Projective
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