Theorem CoxeterSystem.length_mul_ge_length_sub_length'

Modification history

2026-10-10 09:42
Mathlib/GroupTheory/Coxeter/Length.lean
chore: delete deprecated declarations to March 2026 (#44240)
Deleted CoxeterSystem.length_mul_ge_length_sub_length'View on Github →
2026-03-25 13:52
Mathlib/GroupTheory/Coxeter/Length.lean
chore(GroupTheory/Coxeter/Length): deprecate nat subtraction lemmas (#37152) …
Modified CoxeterSystem.length_mul_ge_length_sub_length'View on Github →
2024-05-11 18:18
Mathlib/GroupTheory/Coxeter/Length.lean
feat: length, reduced words in Coxeter groups (#11465) …
Added CoxeterSystem.length_mul_ge_length_sub_length'View on Github →