Theorem RootSystem.rootForm_nondegenerate

Modification history

2025-12-15 09:35
Mathlib/LinearAlgebra/RootSystem/Finite/Nondegenerate.lean
refactor: turn `RootSystem` into a mixin rather than extending `RootPairing` (#32885) …
Deleted RootSystem.rootForm_nondegenerateView on Github →
2025-05-07 14:49
Mathlib/LinearAlgebra/RootSystem/Finite/Nondegenerate.lean
feat: Cartan matrices are non-singular (#24639) …
Added RootSystem.rootForm_nondegenerateView on Github →