Theorem RingHom.comp_id_semiringCat

Modification history

2024-12-13 13:44
Mathlib/Algebra/Category/Ring/Basic.lean
refactor(Algebra/Category/Ring): make morphisms a structure (#19757) …
Deleted RingHom.comp_id_semiringCatView on Github →
2024-05-23 03:28
Mathlib/Algebra/Category/Ring/Basic.lean
feat(Algebra/Category/*): simp lemmas for unbundled comp and categorical identities (#13109) …
Added RingHom.comp_id_semiringCatView on Github →