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Commit 2019-03-05 09:21 c2d8bc2d

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feat(data/finsupp): relatie to_multiset to 0, +, single, card, map, prod, and to_finset

Estimated changes

Modified src/data/finsupp.lean

added theorem finsupp.card_to_multiset

added theorem finsupp.prod_to_multiset

added theorem finsupp.to_finset_to_multiset

added theorem finsupp.to_multiset_add

added theorem finsupp.to_multiset_map

added theorem finsupp.to_multiset_single

added theorem finsupp.to_multiset_zero