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Theorem subgroup.exists_inv_mem_iff_exists_mem

Modification history

2022-04-10 01:48
src/group_theory/subgroup/basic.lean
feat(group_theory): use generic `subobject_class` lemmas (#11758) …
Deleted subgroup.exists_inv_mem_iff_exists_memView on Github →
2021-05-07 09:30
src/group_theory/subgroup.lean
feat(group_theory.quotient_group): add eq_iff_div_mem (#7523) …
Added subgroup.exists_inv_mem_iff_exists_memView on Github →