Theorems · Theorem · order theory
Set.exists_subset_bijOn
∀ {α : Type u_1} {β : Type u_2} (s : Set α) (f : α → β), ∃ s' ⊆ s, Set.BijOn f s' (f '' s)- Defined in
- Mathlib.Data.Set.Function
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 29 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
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.imagestatement · cited by 5,609
- Set.BijOnstatement · cited by 168
- Set.surjOn_imageproof · cited by 15
- Set.surjOn_iff_exists_bijOn_subsetproof · cited by 2
Cited by3
Results whose statement or proof uses this declaration.
- Set.BijOn.exists_extend_of_subsetproof · cited by 2
- Set.exists_image_eq_and_injOnproof · cited by 1
- Matroid.cRk_comap_liftproof · cited by 1