Theorem RootPairing.coxeterWeightIn_eq_four_iff_not_linearIndependent

Modification history

2025-02-21 21:53
Mathlib/LinearAlgebra/RootSystem/Reduced.lean
feat: basic structural lemmas about finite crystallographic root pairings. (#21932)
Added RootPairing.coxeterWeightIn_eq_four_iff_not_linearIndependentView on Github →