Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)
Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 175
et one another in tliepoints B, C and E; AB, CD, CB are in oneplane. ^^ Let any plane pass through the straightline EB, and let the plane be turned aboutEB, produced, if necessary, until it passthrough the point C: 1 hen, because the f>oints E, C are in this plane. tl»e straiehtine EC is in it…
Euclid's Elements · Geometry · Trigonometry
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