Universe (mathematics)

Universe (mathematics)

In mathematics, and particularly in set theory and the foundations of mathematics, a universe is a class that contains (as elements) all the entities one wishes to consider in a given situation. There are several versions of this general idea, described in the following sections.

Read more about Universe (mathematics):  In A Specific Context, In Ordinary Mathematics, In Set Theory, In Category Theory

Famous quotes containing the word universe:

    Whatever universe a professor believes in must at any rate be a universe that lends itself to lengthy discourse. A universe definable in two sentences is something for which the professorial intellect has no use. No faith in anything of that cheap kind!
    William James (1842–1910)