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Theorem
int.is_unit_iff_nat_abs_eq
Modification history
2022-11-13 23:50
src/data/int/basic.lean
refactor(data/int/basic): move material about units to new file (#17508)
Modified
int.is_unit_iff_nat_abs_eq
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2021-04-07 10:30
src/data/int/basic.lean
feat(data/int/basic algebra/associated): is_unit (a : ℤ) iff a = ±1 (#7058) …
Added
int.is_unit_iff_nat_abs_eq
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