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Theorem affine.triangle.inv_tan_div_two_smul_rotation_pi_div_two_vadd_midpoint_eq_circumcenter

Modification history

2023-01-04 14:42
src/geometry/euclidean/angle/sphere.lean
feat(geometry/euclidean/angle/sphere): law of sines, converse of inscribed angles (#17992) …
Added affine.triangle.inv_tan_div_two_smul_rotation_pi_div_two_vadd_midpoint_eq_circumcenterView on Github →