Theorems · Theorem · order theory
Set.Finite.biInf_iSup_eq
∀ {α : Type u} {ι : Type v} {κ : ι → Sort w} [Nonempty ((a : ι) → κ a)] [inst : Order.Frame α] {s : Set ι},
s.Finite → ∀ {f : (a : ι) → κ a → α}, ⨅ a ∈ s, ⨆ b, f a b = ⨆ g, ⨅ a ∈ s, f a (g a)- Defined in
- Mathlib.Data.Set.Finite.Lattice
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 72 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- NonemptyOrder.Frame
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites24
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- Set.Elemproof · cited by 7,166
- Equiv.symmproof · cited by 3,681
- Finiteproof · cited by 3,029
- iSupstatement and proof · cited by 2,415
- Set.Finitestatement and proof · cited by 1,814
- iInfstatement and proof · cited by 1,690
- iInf_congr_Propproof · cited by 218
- SupSetproof · cited by 154
- Nonempty.mapproof · cited by 101
- Order.Framestatement and proof · cited by 88
- Pi.mapproof · cited by 60
Cited by1
Results whose statement or proof uses this declaration.
- Set.Finite.biSup_iInf_eqproof · cited by 0