Theorem NonUnitalSubring.mem_toSubsemigroup

Modification history

2024-11-04 05:25
Mathlib/RingTheory/NonUnitalSubring/Basic.lean
chore(RingTheory/NonUnitalSubring): split Basic.lean (#18518) …
Modified NonUnitalSubring.mem_toSubsemigroupView on Github →
2023-07-01 15:01
Mathlib/RingTheory/NonUnitalSubring/Basic.lean
feat: define `NonUnitalSubring`s (#5151) …
Added NonUnitalSubring.mem_toSubsemigroupView on Github →