Tangent spheres #853
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Tangent spheres #853
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fredrik-bakke
approved these changes
Oct 17, 2023
They’re gonna have some duality built in. |
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I added the clarifying sentence. Let me know if there's anything else I should change. |
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This PR defines what it means for a point in a type to have a tangent sphere. It also defines the notion of premanifold, which are types equipped with the structure that every point comes equipped with a tangent sphere.