If and only if/Definition

From Citizendium
< If and only if
Revision as of 18:24, 31 January 2010 by imported>Peter Schmitt (linebreak)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
This article is developing and not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
 
A definition or brief description of If and only if.

A frequently used phrase of mathematical language which states that two statements are (logically) equivalent; cf. necessary and sufficient.