preimage

Fetched 2026-10-26 (cache).

Synonyms: primage, reimage, pre-image, presage, primate, prisage, pregage, primase, premade, prestage, premake

Antonyms: primage, reimage, pre-image, presage, primate, prisage, pregage, primase, premade, prestage, premake

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|mathematics}} For a given [[function]], the set of all elements of the [[domain]] that are mapped into a given subset of the [[codomain]]; {{lb|en|formally}} given a function ƒ : ''X'' → ''Y'' and a subset ''B'' ⊆ ''Y'', the set ƒ⁻¹(''B'') = {''x'' ∈ ''X'' : ƒ(''x'') ∈ ''B''}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.