Theorem Finset.union_subset_union_left

Modification history

2024-11-11 13:54
Mathlib/Data/Finset/Basic.lean
chore(Data/Finset): split `Basic.lean` into many smaller files (#18610) …
Modified Finset.union_subset_union_leftView on Github →
2023-04-24 08:51
Mathlib/Data/Finset/Basic.lean
feat: `insert` and `erase` lemmas (#3569) …
Added Finset.union_subset_union_leftView on Github →