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444 pages, Paperback
First published June 1, 1956
"On the same straight line there shall not be constructed two other straight lines terminating at different points on the same side, having the same extremities as the original straight lines."
"Given two straight lines constructed on a straight line(from its extremities) and meeting in a point, there cannot be constructed on the same straight line(from its extremities), and on the same side of it, two other straight lines meeting in another point and equal to that which has the same extremities with it"
"Upon the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of the base equal to one another, and likewise those which are terminated at the other extremity."