biconditional statement

biconditional statement

[‚bī·kən‚dish·ən·əl ′stāt·mənt]
(mathematics)
A statement that one of two propositions is true if and only if the other is true.
References in periodicals archive ?
This rules out the use of the biconditional statement, "You give me your watch," if and only if, give you $20," as a substitute for the conditional.