Theorem Finset.union_inter_cancel_left

Modification history

2026-10-31 04:12
Mathlib/Data/Finset/Lattice/Basic.lean
feat: use `max`/`min` for `union`/`inter` in `Set`, `Finset`, `ZFSet`, `Class` (#42316) …
Modified Finset.union_inter_cancel_leftView on Github →
2025-08-03 23:41
Mathlib/Data/Finset/Lattice/Basic.lean
feat: start adding `@[grind]` annotations for `Finset` (#27818) …
Modified Finset.union_inter_cancel_leftView on Github →
2024-11-11 13:54
Mathlib/Data/Finset/Basic.lean
chore(Data/Finset): split `Basic.lean` into many smaller files (#18610) …
Modified Finset.union_inter_cancel_leftView on Github →
2023-01-16 08:13
Mathlib/Data/Finset/Basic.lean
feat: port Data.Finset.Basic (#1555)
Added Finset.union_inter_cancel_leftView on Github →