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Def quotient_group.equiv_quotient_of_eq

Modification history

2022-09-19 03:33
src/group_theory/quotient_group.lean
feat(group_theory/coset): Add `quotient_equiv_of_eq` (#16439) …
Deleted quotient_group.equiv_quotient_of_eqView on Github →
2021-02-17 11:38
src/group_theory/quotient_group.lean
feat(group_theory): prove the 2nd isomorphism theorem for groups (#6187) …
Added quotient_group.equiv_quotient_of_eqView on Github →