Theorems · Theorem · logic and foundations
PFun.preimage_mono
∀ {α : Type u_1} {β : Type u_2} (f : α →. β) {s t : Set β}, s ⊆ t → f.preimage s ⊆ f.preimage t- Defined in
- Mathlib.Data.PFun
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 58 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
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
- PFunstatement and proof · cited by 207
- PFun.preimagestatement · cited by 18
- SetRel.preimage_monoproof · cited by 4
Cited by1
Results whose statement or proof uses this declaration.
- pcontinuous_iff'proof · cited by 0