Theorem RootPairing.posRootForm_posForm_pos_of_ne_zero

Modification history

2025-04-30 15:39
Mathlib/LinearAlgebra/RootSystem/Finite/Nondegenerate.lean
feat: generalise nondegeneracy of root pairing forms to allow coefficients in subring (#23329) …
Added RootPairing.posRootForm_posForm_pos_of_ne_zeroView on Github →