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Theorem finset.eq_of_card_le_one_of_sum_eq

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.eq_of_card_le_one_of_sum_eqView on Github →
2020-06-22 16:12
src/algebra/big_operators.lean
feat(data/finset,data/fintype,algebra/big_operators): some more lemmas (#3124) …
Added finset.eq_of_card_le_one_of_sum_eqView on Github →