• rockerface 🇺🇦@lemm.ee
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    6 months ago

    In fact, you can build a system of definitions that very clearly doesn’t exist in real world, like hyperbolic geometry.

    • tate@lemmy.sdf.org
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      6 months ago

      Sometimes we find that obscure pure mathematics does describe reality when no one expected it to. Riemannian geometry is one such example.