Theorem IsIdempotentElem.mul_one_sub_self

Modification history

2025-01-15 07:14
Mathlib/Algebra/Ring/Idempotent.lean
chore(Idempotent): split into `Group`, `GroupWithZero` and `Ring` parts (#20742) …
Modified IsIdempotentElem.mul_one_sub_selfView on Github →
2025-01-10 07:43
Mathlib/Algebra/Ring/Idempotents.lean
feature(Algebra/Ring/Idempotents): product of an idempotent and its complement (#20286) …
Added IsIdempotentElem.mul_one_sub_selfView on Github →