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Theorem direct_sum.coe_ring_hom_of

Modification history

2022-09-21 08:15
src/algebra/direct_sum/internal.lean
feat(ring_theory/graded_algebra/basic): lemmas about rings graded by canonically ordered monoids (#16083) …
Modified direct_sum.coe_ring_hom_ofView on Github →
2022-06-29 22:22
src/algebra/direct_sum/internal.lean
refactor(ring_theory/graded_algebra): use `add_submonoid_class` to generalize to graded rings (#14583) …
Modified direct_sum.coe_ring_hom_ofView on Github →
2022-05-24 14:54
src/algebra/direct_sum/internal.lean
refactor(algebra/direct_sum/basic): use the new polymorphic subobject API (#14341) …
Added direct_sum.coe_ring_hom_ofView on Github →