Mathlib v3 is deprecated. Go to Mathlib v4

Theorem orientation.oangle_sign_smul_add_smul_smul_add_smul

Modification history

2022-09-02 09:34
src/geometry/euclidean/oriented_angle.lean
feat(geometry/euclidean/oriented_angle): signs of angles between linear combinations of vectors (#16243) …
Added orientation.oangle_sign_smul_add_smul_smul_add_smulView on Github →