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EuclideanGeometry.Sphere.IsTangentAt.inner_right_eq_zero_of_mem
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2025-03-31 15:58
Mathlib/Geometry/Euclidean/Sphere/Tangent.lean
feat(Geometry/Euclidean/Sphere/Tangent): tangents to spheres (#22483) …
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EuclideanGeometry.Sphere.IsTangentAt.inner_right_eq_zero_of_mem
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