Theorem Subring.centralizer_toNonUnitalSubring

Modification history

2026-03-24 12:02
Mathlib/Algebra/Ring/Subring/Basic.lean
feat(Algebra/Ring/Subring): drop associativity condition for `Subring`s (#36735) …
Modified Subring.centralizer_toNonUnitalSubringView on Github →
2026-03-13 18:00
Mathlib/Algebra/Ring/Subring/Basic.lean
feat: add `NonUnitalSubring.centralizer` (#36547) …
Added Subring.centralizer_toNonUnitalSubringView on Github →