Theorem Finset.mem_sum

Modification history

2026-03-25 05:05
Mathlib/Algebra/BigOperators/Group/Finset/Basic.lean
chore: remove declarations deprecated between 2021-03-24 and 2025-09-24 (#37118) …
Deleted Finset.mem_sumView on Github →
2025-08-28 17:04
Mathlib/Algebra/BigOperators/Group/Finset/Basic.lean
chore(Algebra): deduplicate Multiset.mem_sum and relax types (#28860) …
Modified Finset.mem_sumView on Github →
2025-04-19 14:06
Mathlib/Algebra/BigOperators/Group/Finset/Basic.lean
chore(Algebra/BigOperators/Group/Finset/Basic): use meaningful letter names (#24123) …
Modified Finset.mem_sumView on Github →
2023-01-18 12:21
Mathlib/Algebra/BigOperators/Basic.lean
feat: port Algebra.BigOperators.Basic (#1628)
Added Finset.mem_sumView on Github →