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Theorem subring.sub_mem

Modification history

2022-04-10 01:48
src/ring_theory/subring/basic.lean
feat(group_theory): use generic `subobject_class` lemmas (#11758) …
Deleted subring.sub_memView on Github →
2020-09-22 12:57
src/ring_theory/subring.lean
refactor(ring_theory/algebra): re-bundle `subalgebra` (#4180) …
Added subring.sub_memView on Github →