Theorem Subgroup.smul_opposite_image_mul_preimage

Modification history

2023-09-28 12:57
Mathlib/GroupTheory/Subgroup/Pointwise.lean
feat(GroupTheory/Submonoid): add opposite submonoids (#7415) …
Modified Subgroup.smul_opposite_image_mul_preimageView on Github →
2023-02-01 11:22
Mathlib/GroupTheory/Subgroup/Pointwise.lean
feat: port GroupTheory.Subgroup.Pointwise (#1981)
Added Subgroup.smul_opposite_image_mul_preimageView on Github →