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Theorem
nat.eq_proper_divisors_of_subset_of_sum_eq_sum
Modification history
2020-10-15 20:34
src/number_theory/divisors.lean
feat(archive/100-theorems-list/70_perfect_numbers): Perfect Number Theorem, Direction 2 (#4621) …
Added
nat.eq_proper_divisors_of_subset_of_sum_eq_sum
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