Theorem RootPairing.isValuedIn_iff_mem_range

Modification history

2025-01-24 19:43
Mathlib/LinearAlgebra/RootSystem/Defs.lean
feat: define the Cartan matrix of a root pairing relative to a base (#20999) …
Added RootPairing.isValuedIn_iff_mem_rangeView on Github →