Biconditional Relation
Definition:
A biconditional relation is a relation between a consequent and a condition. The consequent is true or in force if and only if the condition is true, with the result that there is a conditional relation in both directions between the related propositions.
Examples:
(English)
If and only if he goes, I go.
Note: This sequence also has the incidental meaning of If I go, he goes.
See Also:
Source:
This page is an extract from the LinguaLinks Library. Version 5.0 published on CD-ROM by SIL International, 2003.