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Theorem ring_hom.codomain_trivial_iff_map_one_eq_zero

Modification history

2022-05-17 13:06
src/algebra/hom/ring.lean
split(algebra/hom/ring): Split off `algebra.ring.basic` (#14144) …
Modified ring_hom.codomain_trivial_iff_map_one_eq_zeroView on Github →
2020-08-03 17:57
src/algebra/ring/basic.lean
feat(algebra/ring): the codomain of a ring hom is trivial iff ... (#3676) …
Added ring_hom.codomain_trivial_iff_map_one_eq_zeroView on Github →