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Theorem category_theory.subgroupoid.id_mem_of_nonempty_isotropy

Modification history

2022-10-14 06:45
src/category_theory/groupoid/subgroupoid.lean
feat(category_theory/groupoid/subgroupoid): subgroupoids and basic properties (#16742) …
Added category_theory.subgroupoid.id_mem_of_nonempty_isotropyView on Github →