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- Thread starter ralphiep
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As far as I know Apollonius was the one who named the conics, i.e parabola, ellipse, and hyperbola. He related them to the well known analogy of slicing an oblique cone. That obviously includes the regular(non rectangular) hyperbolas.

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tiny-tim

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all hyperbolas of Apollonius are rectangular hyperbolas

but "hyperbola of Apollonius"

a

see theorem 26 (p.150) of http://books.google.co.uk/books?id=qIFzkgBikEUC&pg=PA151&dq="hyperbola+of+apollonius"&hl=en

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