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direct_sum.gsemiring.of_add_subgroups
Modification history
2021-11-03 22:10
src/algebra/direct_sum/ring.lean
refactor(algebra/direct_sum): rework internally-graded objects (#10127) …
Deleted
direct_sum.gsemiring.of_add_subgroups
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2021-10-08 14:22
src/algebra/direct_sum/ring.lean
feat(algebra/graded_monoid): Split out graded monoids from graded rings (#9586) …
Added
direct_sum.gsemiring.of_add_subgroups
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