Associations to the word «Preimage»

Wiktionary

PREIMAGE, noun. (mathematics) The set containing exactly every member of the domain of a function such that the member is mapped by the function onto an element of a given subset of the codomain of the function. Formally, of a subset B of the codomain Y under a function ƒ, the subset of the domain X defined by

Wise words

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
Winston Churchill