Mathlib v3 is deprecated. Go to Mathlib v4

Def subring.subset_comm_ring

Modification history

2021-03-03 10:36
src/ring_theory/subring.lean
chore(ring_theory/{subring,integral_closure}): simplify a proof, remove redundant instances (#6513)
Deleted subring.subset_comm_ringView on Github →
2020-08-26 14:45
src/ring_theory/subring.lean
feat(ring_theory/bundled_subring): add bundled subrings (#3886)
Added subring.subset_comm_ringView on Github →