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Theorem neg_le_sub_iff_le_add'

Modification history

2021-07-07 08:47
src/algebra/ordered_group.lean
refactor(algebra/ordered_group): another step in the `order` refactor -- ordered groups (#8060) …
Deleted neg_le_sub_iff_le_add'View on Github →
2018-01-19 16:18
algebra/ordered_group.lean
feat(data/real,*): supporting material for metric spaces
Added neg_le_sub_iff_le_add'View on Github →