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Theorem sub_le_sub_iff_left

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 sub_le_sub_iff_leftView on Github →
2017-09-16 02:53
algebra/ordered_group.lean
feat(algebra): new algebra theorems (more iff)
Added sub_le_sub_iff_leftView on Github →