Theorem Finset.compl_subset_compl

Modification history

2026-07-06 15:50
Mathlib/Data/Finset/BooleanAlgebra.lean
feat: use `LE.le` for subset relation in `Set`, `Finset`, `PSet`, `ZFSet`, `Class` (#32983) …
Modified Finset.compl_subset_complView on Github →
2025-02-17 17:27
Mathlib/Data/Finset/BooleanAlgebra.lean
chore(Data/Fintype): split `Data/Fintype/Basic.lean` (#21831) …
Modified Finset.compl_subset_complView on Github →
2023-09-28 12:57
Mathlib/Data/Fintype/Basic.lean
feat: Order isomorphism between `Finset α` and `Set α` (#7375) …
Added Finset.compl_subset_complView on Github →