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Theorem sub_le_sub_iff

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_iffView on Github →
2020-12-11 13:45
src/algebra/ordered_group.lean
chore(*): don't assume `sub_eq_add_neg` and `div_eq_mul_inv` are defeq (#5302) …
Modified sub_le_sub_iffView on Github →
2020-10-12 14:57
src/algebra/ordered_group.lean
fix(algebra/ordered_group): use `add_neg` in autogenerated lemma name (#4580) …
Added sub_le_sub_iffView on Github →