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Theorem
Multiset.toFinset_card_eq_card_iff_nodup
Modification history
2023-11-27 10:05
Mathlib/Data/Finset/Card.lean
feat(Data/Finset/Card): add converse to some existing theorems (#8515) …
Added
Multiset.toFinset_card_eq_card_iff_nodup
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