Theorems · Theorem · logic and foundations
PFun.Preimage_def
∀ {α : Type u_1} {β : Type u_2} (f : α →. β) (s : Set β), f.preimage s = {x | ∃ y ∈ s, y ∈ f x}- Defined in
- Mathlib.Data.PFun
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 7 from the axioms · uses no axioms
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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.ofPredstatement · cited by 6,101
- Partstatement · cited by 325
- PFunstatement and proof · cited by 207
- PFun.preimagestatement · cited by 18
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