Theorem RootPairing.Base.pos_or_neg_of_sum_smul_root_mem

Modification history

2025-07-17 18:28
Mathlib/LinearAlgebra/RootSystem/Base.lean
feat: add root system induction principle equivalent to connectedness of Dynkin diagram (#26965) …
Modified RootPairing.Base.pos_or_neg_of_sum_smul_root_memView on Github →
2025-02-26 10:06
Mathlib/LinearAlgebra/RootSystem/Base.lean
feat: more structural lemmas about root pairings (#22213) …
Added RootPairing.Base.pos_or_neg_of_sum_smul_root_memView on Github →