Mathlib v3 is deprecated. Go to Mathlib v4

Def Ring.sections_subring

Modification history

2022-05-09 11:26
src/algebra/category/Ring/limits.lean
feat(category_theory/limits): allow (co)limits over lower universes in algebraic categories (#13990) …
Modified Ring.sections_subringView on Github →
2020-09-02 13:19
src/algebra/category/CommRing/limits.lean
chore(algebra/category/CommRing/limits): don't use deprecated.subring (#4010)
Added Ring.sections_subringView on Github →