Commit 2021-12-25 19:14 8d426f04
View on Github →split(algebra/big_operators/multiset): Split off data.multiset.basic (#11043)
This moves
- multiset.prod,- multiset.sumto- algebra.big_operators.multiset
- multiset.join,- multiset.bind,- multiset.product,- multiset.sigmato- data.multiset.bind. This is needed as- joinis defined using- sum. The file was quite messy, so I reorganized- algebra.big_operators.multisetby increasing typeclass assumptions. I'm crediting Mario for 0663945f55335e51c2b9b3a0177a84262dd87eaf (- prod,- sum,- join), f9de18397dc1a43817803c2fe5d84b282287ed0d (- bind,- product), 16d40d7491d1fe8a733d21e90e516e0dd3f41c5b (- sigma).