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Theorem nat.add_sub_cancel_right

Modification history

2021-08-18 21:30
src/data/nat/basic.lean
feat(algebra/ordered_sub): define truncated subtraction in general (#8503) …
Deleted nat.add_sub_cancel_rightView on Github →
2019-04-16 20:12
src/data/nat/basic.lean
feat(*): various additions to low-level files (#904) …
Added nat.add_sub_cancel_rightView on Github →