Veblen, Oswald, 1880-1960, Young, John Wesley, 1879-1932 · Boston, New York [etc.] Ginn and Company · leaf 124
oo2 transformations of Type / or //;oo3 of Type III; and oo1 of Types 7 7 and 7. CHAPTER V* CONIC SECTIONS 41. Definitions. Pascals and Brianchons theorems. Definition. The set of all points of intersection of homologous-lines of two projective, nonperspective flat pencils which are on thesame…
Geometry, Projective
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