Theorem RootPairing.pairingIn_neg_two_neg_two_iff

Modification history

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