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Theorem
nnreal.sub_zero
Modification history
2021-09-15 18:42
src/data/real/nnreal.lean
refactor(data/real/nnreal): use `has_ordered_sub` (#9167) …
Deleted
nnreal.sub_zero
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2020-01-25 08:42
src/data/real/nnreal.lean
feat(data/real/nnreal): a few lemmas about subtraction (#1904)
Added
nnreal.sub_zero
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