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Theorem free_abelian_group.support_neg

Modification history

2021-06-29 14:28
src/group_theory/free_abelian_group_finsupp.lean
feat(group_theory/free_abelian_group_finsupp): isomorphism between `free_abelian_group` and `finsupp` (#8046) …
Added free_abelian_group.support_negView on Github →