• rockerface 🇺🇦
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      229 months ago

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

      • tate
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        169 months ago

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

        • Natanael
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          49 months ago

          Complex numbers, and a bunch more things too

    • @Zehzin
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      169 months ago

      Kurt Gödel: