The Cone and Its Sections Treated Geometrically


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Reprint of the original, first published in 1875.




The Athenaeum


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Geometri?eskie svojstva krivyh vtorogo porâdka


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"Geometry Of Conics deals with the properties of conics (plane curves of second degree) that can be formulated and proved using only elementary geometry. Starting with the well-known optical properties of conics, this book moves to less trivial results, both classical and contemporary. It demonstrates the advantage of purely geometric methods of studying conics."--Publisher's website.







Miscellanies and memoir


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The Science of Thought


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