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Theorem subgroup.div_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.div_memView on Github →
2020-12-16 15:31
src/group_theory/subgroup.lean
chore(*): add a `div`/`sub` field to (`add_`)`group`(`_with_zero`) (#5303) …
Added subgroup.div_memView on Github →