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Theorem inv_mem_iff

Modification history

2023-03-02 15:13
src/group_theory/subgroup/basic.lean
refactor(topology/algebra/field): drop `topological_space_units` (#18536) …
Modified inv_mem_iffView on Github →
2022-04-10 01:48
src/group_theory/subgroup/basic.lean
feat(group_theory): use generic `subobject_class` lemmas (#11758) …
Added inv_mem_iffView on Github →