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iff
1- if and only if.
IFF
2- Identification, Friend or Foe: a system of transmitters and transponders that uses coded signals to distinguish between friendly and hostile aircraft.
IFF
1abbreviation for
- Identification, Friend or Foe: a system using radar transmissions to which equipment carried by friendly forces automatically responds with a precoded signal
iff
2/ ɪf /
conjunction
- logic a shortened form of if and only if : it indicates that the two sentences so connected are necessary and sufficient conditions for one another. Usually iff is used for equivalence in the metalanguage, rather than as the biconditional in the object language
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Example Sentences
The IFF, however, is not exactly an organization to be proud of.
It was a kind of stick called vahs-iff, which did not grow there, therefore they had not been able to find it.
It would more encurrege to wed, iff so be one know'd it before-hand, as one may say.
The IFF mechanism reconverts our beam to a predetermined pulse, and it bounces back to us in a different pattern.
And what wold ye doe with my bryde soe gay, Iff I did sell her thee?
Now while Staff was receiving this impression, Mr. Iff looked sharply round; their glances crossed.
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