Mathlib v3 is deprecated. Go to Mathlib v4

Theorem ring_hom.map_neg

Modification history

2021-12-10 13:26
src/algebra/ring/basic.lean
feat(*): introduce classes for types of homomorphism (#9888) …
Deleted ring_hom.map_negView on Github →
2019-08-26 17:11
src/algebra/ring.lean
chore(algebra/ring): change semiring_hom to ring_hom (#1361) …
Added ring_hom.map_negView on Github →