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Theorem
monoid_hom.range_eq_top_of_cancel
Modification history
2022-08-09 09:08
src/algebra/category/Group/epi_mono.lean
feat(algebra/category/Group/epi_mono): (mono)epimorphisms and (in)surjections are the same in `(Add)(Comm)Group` (#15496)
Added
monoid_hom.range_eq_top_of_cancel
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