Re: Epistemology 201: The Science of Science
From: aeo6 (aeo6_at_cornell.edu)
Date: 02/11/05
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Date: Fri, 11 Feb 2005 11:36:44 -0500
robert j. kolker said:
>
>
> Albert wrote:
> >
> > Don't spheres exist in Euclidean geometry?
>
> As do spherical surfaces. On a spherical survace "straight lines" are
> great circles. There are no parallel great circles. Any pair will
> intersect.
>
> Bob Kolker
>
> >
> >
>
That's non-Euclidean, no? Euclidean geometry refers to flat surface 2D
geometry doesn't it? No curved surfaces?
-- Smiles, Tony
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