Theorem RootPairing.pairingIn_neg_one_neg_four_iff

Modification history

2026-01-13 19:40
Mathlib/LinearAlgebra/RootSystem/Reduced.lean
chore(Algebra): replace `NoZeroSMulDivisors` with `Module.IsTorsionFree` wlog (#30563) …
Modified RootPairing.pairingIn_neg_one_neg_four_iffView on Github →
2025-04-09 10:11
Mathlib/LinearAlgebra/RootSystem/Reduced.lean
feat(LinearAlgebra/RootSystem): Generalize RootPairing.pairing_zero_iff (#23833) …
Modified RootPairing.pairingIn_neg_one_neg_four_iffView on Github →
2025-02-21 21:53
Mathlib/LinearAlgebra/RootSystem/Reduced.lean
feat: basic structural lemmas about finite crystallographic root pairings. (#21932)
Added RootPairing.pairingIn_neg_one_neg_four_iffView on Github →