Set.range

{α : Type u} → {ι : Sort u_1} → (ι → α) → Set α

Range of a function. This function is more flexible than f '' univ, as the image requires that the domain is in Type and not an arbitrary Sort.

Defined in: Mathlib.Data.Set.Operations
Cited by: 4,705 results in Mathlib
Foundations: Depth 2 from the axioms, rests on 5 definitions · uses no axioms

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