Theorem RootPairing.chainTopCoeff_of_add

Modification history

2025-07-08 00:25
Mathlib/LinearAlgebra/RootSystem/Chain.lean
feat: add lemma 3.5 from [Geck](https://dx.doi.org/10.1090/proc/13600) (#26592) …
Added RootPairing.chainTopCoeff_of_addView on Github →