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Theorems · Theorem · order theory

Set.range_eq_univ

∀ {α : Type u_1} {ι : Sort u_4} {f : ι → α}, Set.range f = Set.univ ↔ Function.Surjective f
Defined in
Mathlib.Data.Set.Image
Cited by
50 results in Mathlib
Foundations
Depth 23 from the axioms · uses propext, Quot.sound

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