Theorems · Theorem · order theory
Set.exists_lower_bound_image
∀ {α : Type u} {β : Type v} [Nonempty α] [inst : LinearOrder β] (s : Set α) (f : α → β),
s.Finite → ∃ a, ∀ b ∈ s, f a ≤ f b- Defined in
- Mathlib.Data.Set.Finite.Lemmas
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- NonemptyLinearOrder
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
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
- LinearOrderstatement and proof · cited by 8,572
- Set.Nonemptyproof · cited by 2,627
- Set.Finitestatement and proof · cited by 1,814
- Set.eq_empty_or_nonemptyproof · cited by 248
- Set.exists_min_imageproof · cited by 4
Cited by2
Results whose statement or proof uses this declaration.
- Set.exists_upper_bound_imageproof · cited by 1
- Polynomial.exists_min_rootproof · cited by 0