Theorem Subgroup.mul_comm_of_mem_isMulCommutative

Modification history

2026-10-10 09:42
Mathlib/Algebra/Group/Subgroup/Defs.lean
chore: delete deprecated declarations to March 2026 (#44240)
Deleted Subgroup.mul_comm_of_mem_isMulCommutativeView on Github →
2025-04-10 07:25
Mathlib/Algebra/Group/Subgroup/Defs.lean
chore(GroupTheory): Add the class `IsMulCommutative` (#23773) …
Added Subgroup.mul_comm_of_mem_isMulCommutativeView on Github →