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Theorem orthonormal_basis.eq_zero_or_angle_eq_zero_or_pi_of_sign_oangle_eq_zero

Modification history

2022-10-24 11:01
src/geometry/euclidean/oriented_angle.lean
feat(geometry/euclidean/oriented_angle): refactor to a basis-free definition (#16596) …
Deleted orthonormal_basis.eq_zero_or_angle_eq_zero_or_pi_of_sign_oangle_eq_zeroView on Github →
2022-09-30 21:28
src/geometry/euclidean/oriented_angle.lean
feat(analysis/inner_product/orientation, geometry/euclidean/oriented_angle): use bundled orthonormal bases (#16475) …
Added orthonormal_basis.eq_zero_or_angle_eq_zero_or_pi_of_sign_oangle_eq_zeroView on Github →