Theorem LinearMap.BilinForm.dualBasis_dualBasis

Modification history

2026-01-28 16:03
Mathlib/LinearAlgebra/BilinearForm/Properties.lean
feat(LinearAlgebra/BilinearForm): Harmonize definitions of "Nondegenerate" (#34110) …
Modified LinearMap.BilinForm.dualBasis_dualBasisView on Github →
2025-10-22 20:30
Mathlib/LinearAlgebra/BilinearForm/Properties.lean
feat(RingTheory): define the dual of a basis for the trace and prove basic properties (#26396) …
Modified LinearMap.BilinForm.dualBasis_dualBasisView on Github →
2024-04-09 06:29
Mathlib/LinearAlgebra/BilinearForm/Properties.lean
refactor(LinearAlgebra/BilinForm): Remove `structure BilinForm` from Mathlib, migrate all of `_root_.BilinForm` to `LinearMap.BilinForm` (#11278) …
Added LinearMap.BilinForm.dualBasis_dualBasisView on Github →