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Theorem
is_free_group.unique_lift
Modification history
2022-05-04 15:53
src/group_theory/is_free_group.lean
feat(group_theory/free_group): is_free_group via `free_group X ≃* G` (#13633) …
Modified
is_free_group.unique_lift
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2021-04-10 06:53
src/group_theory/is_free_group.lean
feat(group_theory/is_free_group): promote `is_free_group.lift'` to an equiv (#7110) …
Added
is_free_group.unique_lift
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