Theorem Subalgebra.map_comap_eq_self_of_surjective

Modification history

2025-03-17 13:17
Mathlib/Algebra/Algebra/Subalgebra/Basic.lean
chore(Algebra/Algebra): reorganize `Algebra.adjoin` and complete lattice (#22557) …
Modified Subalgebra.map_comap_eq_self_of_surjectiveView on Github →
2024-07-31 06:44
Mathlib/Algebra/Algebra/Subalgebra/Basic.lean
feat: add `comap_map` for sub(semi)ring, subalgebra, subfield and intermediate fields (#15193) …
Added Subalgebra.map_comap_eq_self_of_surjectiveView on Github →