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Theorem free_abelian_group.map_neg

Modification history

2022-05-14 05:39
src/group_theory/free_abelian_group.lean
refactor(group_theory/free_abelian_group): Make proofs more robust (#14089) …
Deleted free_abelian_group.map_negView on Github →
2019-03-01 21:15
src/group_theory/free_abelian_group.lean
feat(group_theory): free_group and free_abelian_group are lawful monads (#737)
Added free_abelian_group.map_negView on Github →