Theorem Subring.toAddSubgroup_lt_toAddSubgroup

Modification history

2026-05-17 20:27
Mathlib/Algebra/Ring/Subring/Basic.lean
chore: remove declarations deprecated between 2021-05-15 and 2025-11-15 (#39405) …
Deleted Subring.toAddSubgroup_lt_toAddSubgroupView on Github →
2024-12-05 01:28
Mathlib/Algebra/Ring/Subring/Basic.lean
chore: add more gcongr attributes (#17610) …
Added Subring.toAddSubgroup_lt_toAddSubgroupView on Github →