Veblen, Oswald, 1880-1960, Young, John Wesley, 1879-1932 · Boston, New York [etc.] Ginn and Company · leaf 34
PP, and hence has a point A in common with BB = b. Hence every line of it has a pointin common xoith any line of itthrough P. (ii) Let neither a norb contain P (fig. 8). As before,a and b meet I in two points Qand P respectively. Let P be apoint of I distinct from Q and P(E 0). The line PB then… … Fig. 7
Geometry, Projective
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