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Theorem finset.sum_flip

Modification history

2021-06-29 21:36
src/algebra/big_operators/basic.lean
feat(algebra/to_additive): do not additivize operations on constant types (#7792) …
Deleted finset.sum_flipView on Github →
2020-04-13 17:33
src/algebra/big_operators.lean
feat(algebra/big-operators): some big operator lemmas (#2152) …
Added finset.sum_flipView on Github →