Theorem Matrix.rank_mul_eq_left_of_isUnit_det

Modification history

2023-08-03 20:55
Mathlib/Data/Matrix/Rank.lean
feat: (Mathlib.Data.Matrix.Rank): rank of a matrix unaffected by multiplication with invertible matrices (#6051) …
Added Matrix.rank_mul_eq_left_of_isUnit_detView on Github →