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Theorem subgroup.mul_normal

Modification history

2022-11-13 03:11
src/group_theory/subgroup/basic.lean
move(group_theory/group_action/*): Move pointwise subgroup operations (#17491) …
Modified subgroup.mul_normalView on Github →
2021-02-11 16:20
src/group_theory/subgroup.lean
feat(group_theory/subgroup): prove relation between pointwise product of submonoids/subgroups and their join (#6165) …
Added subgroup.mul_normalView on Github →