preimage
Meaning
For a given function, the set of all elements of the domain that are mapped into a given subset of the codomain; (formally) given a function ƒ : X → Y and a subset B ⊆ Y, the set ƒ⁻¹(B) = {x ∈ X : ƒ(x) ∈ B}.
Translations
Etymology
From pre- + image.
Notes
Sign in to write sticky notes
Start learning English with learnfeliz.
Practice speaking and memorizing "preimage" and many other words and sentences in English.