Theorems · Definition · order theory
SetRel.preimage
{α : Type u_1} → {β : Type u_2} → SetRel α β → Set β → Set αPreimage of a set t under a relation R. Same as the image of t under R.inv.
- Defined in
- Mathlib.Data.Rel
- Cited by
- 56 results in Mathlib
- Foundations
- Depth 4 from the axioms · uses no axioms
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites3
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.ofPredproof · cited by 6,101
- SetRelstatement and proof · cited by 581
Cited by60
Results whose statement or proof uses this declaration.
- hausdorffEntourageproof · cited by 35
- Filter.TotallyBoundedproof · cited by 24
- PFun.preimageproof · cited by 18
- SetRel.preimage_subset_preimagestatement and proof · cited by 7
- Filter.TotallyBounded.monoproof · cited by 6
- SetRel.preimage_compstatement · cited by 5
- SetRel.preimage_subset_preimage_leftstatement and proof · cited by 5
- SetRel.preimage_monostatement · cited by 4
- Ultrafilter.cauchy_of_totallyBounded'proof · cited by 4
- Filter.rcomap'proof · cited by 4
- UniformSpace.hausdorff.isOpen_inter_nonempty_of_isOpenproof · cited by 4
- UniformSpace.closure_subset_preimagestatement · cited by 3