Theorem RingHom.codomain_trivial_iff_range_eq_singleton_zero

Modification history

2026-01-01 15:17
Mathlib/Deprecated/RingHom.lean
chore: remove June 2025 deprecated declarations (#33429) …
Deleted RingHom.codomain_trivial_iff_range_eq_singleton_zeroView on Github →
2025-06-09 16:45
Mathlib/Algebra/Ring/Hom/Basic.lean
fix: Remove lemmas from `Ring/Hom/Basic` (#25447) …
Modified RingHom.codomain_trivial_iff_range_eq_singleton_zeroView on Github →
2023-09-12 04:12
Mathlib/Algebra/Hom/Ring/Basic.lean
refactor: split Algebra.Hom.Group and Algebra.Hom.Ring (#7094)
Modified RingHom.codomain_trivial_iff_range_eq_singleton_zeroView on Github →
2022-12-13 11:06
Mathlib/Algebra/Hom/Ring.lean
feat: Port `Algebra.Hom.Ring` (#958) …
Added RingHom.codomain_trivial_iff_range_eq_singleton_zeroView on Github →