Theorem Finset.sum_powerset_neg_one_pow_card_of_nonempty

Modification history

2023-08-10 19:52
Mathlib/Data/Nat/Choose/Sum.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified Finset.sum_powerset_neg_one_pow_card_of_nonemptyView on Github →
2023-02-07 07:39
Mathlib/Data/Nat/Choose/Sum.lean
feat: port Data/Nat/Choose/Sum (#2121)
Added Finset.sum_powerset_neg_one_pow_card_of_nonemptyView on Github →