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Theorem int.eq_one_or_neg_one_of_mul_eq_one

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.eq_one_or_neg_one_of_mul_eq_oneView on Github →
2022-04-21 23:36
src/data/int/basic.lean
feat(number_theory/modular): fundamental domain part 2 (#8985) …
Added int.eq_one_or_neg_one_of_mul_eq_oneView on Github →