Mathlib v3 is deprecated. Go to Mathlib v4

Theorem orthonormal.oangle_ne_zero_and_ne_pi_iff_linear_independent

Modification history

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) …
Deleted orthonormal.oangle_ne_zero_and_ne_pi_iff_linear_independentView on Github →
2022-08-24 21:27
src/geometry/euclidean/oriented_angle.lean
feat(geometry/euclidean/oriented_angle): angles equal to 0 or π (#16229) …
Added orthonormal.oangle_ne_zero_and_ne_pi_iff_linear_independentView on Github →