Theorem RingHom.codomain_trivial_iff_map_one_eq_zero

Modification history

2022-12-13 11:06
Mathlib/Algebra/Hom/Ring.lean
feat: Port `Algebra.Hom.Ring` (#958) …
Added RingHom.codomain_trivial_iff_map_one_eq_zeroView on Github →