2024-11-20 20:34
Mathlib/LinearAlgebra/RootSystem/Finite/CanonicalBilinear.lean
feat (LinearAlgebra/RootSystem/Finite): nondegeneracy of canonical bilinear form restricted to root span (#18569) …
Added RootPairing.prod_rootForm_smul_coroot_mem_range_domRestrict