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Theorem sub_sub_sub_le_sub

Modification history

2021-10-20 15:39
src/algebra/order/sub.lean
refactor(algebra/order/sub): rename sub -> tsub (#9793) …
Deleted sub_sub_sub_le_subView on Github →
2021-08-18 21:30
src/algebra/ordered_sub.lean
feat(algebra/ordered_sub): define truncated subtraction in general (#8503) …
Added sub_sub_sub_le_subView on Github →