Jump to content

Functional relation

Add links
From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by Michael Hardy (talk | contribs) at 03:00, 29 August 2007 (a tiny bit more of the same......). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A functional relation is:

(x)(x X) & (y)(z)(y,z Y)((Rxy & Rxz) y = z)

The relation R is functional over X and Y.

A binary relation that is functional is called a partial function

A binary relation that is total and functional is called a function

Stub icon

This logic-related article is a stub. You can help Wikipedia by expanding it.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Functional_relation&oldid=154307307"