Theorem RootPairing.finrank_range_polarization_eq_finrank_span_coroot

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.finrank_range_polarization_eq_finrank_span_corootView on Github →