Theorem NonUnitalSubring.gc_map_comap

Modification history

2026-09-10 16:50
Mathlib/RingTheory/NonUnitalSubring/Basic.lean
refactor: make several definitions take concrete morphism classes (#43596) …
Modified NonUnitalSubring.gc_map_comapView on Github →
2023-07-01 15:01
Mathlib/RingTheory/NonUnitalSubring/Basic.lean
feat: define `NonUnitalSubring`s (#5151) …
Added NonUnitalSubring.gc_map_comapView on Github →