Theorem QuadraticMap.ne_zero_of_not_isOrtho_self

Modification history

2024-07-13 17:36
Mathlib/LinearAlgebra/QuadraticForm/Basic.lean
refactor(LinearAlgebra/QuadraticForm/Basic) : Generalise `QuadraticForm` to `QuadraticMap` (#7569) …
Added QuadraticMap.ne_zero_of_not_isOrtho_selfView on Github →