isTangentAt_insphere_iff_eq_touchpoint — Mathlib · SciLib

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isTangentAt_insphere_iff_eq_touchpoint

Mathlib.Geometry.Euclidean.Incenter

URI: https://scilib.ai/kg/mathlib#Affine.Simplex.isTangentAt_insphere_iff_eq_touchpoint

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