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Def subring.to_comm_ring

Modification history

2020-09-22 12:57
src/ring_theory/subring.lean
refactor(ring_theory/algebra): re-bundle `subalgebra` (#4180) …
Deleted subring.to_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.to_comm_ringView on Github →