Theorem Subgroup.op_inf

Modification history

2024-08-27 20:26
Mathlib/Algebra/Group/Subgroup/MulOpposite.lean
feat(Subgroup/MulOpposite): add Normal instance (#15497) …
Modified Subgroup.op_infView on Github →
2024-01-26 19:09
Mathlib/GroupTheory/Subgroup/MulOpposite.lean
feat: Add lattice lemmas about `Sub{group,monoid}.{op,unop}` (#9860) …
Added Subgroup.op_infView on Github →