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Published online by Cambridge University Press: 20 January 2009
The following notes are intended to introduce a simple method of treating elementary geometrical conics, and at the same time to supply a missing link in the chain of continuity between Euclidean geometry and the modern methods of treating the conics, which at present are treated more as different subjects than as a continuous whole.
* See the appended proof that 2S1F. P′M′=P′K2+