Meaning Of The Word Iff

Real Dictionary

What's the definition of Iff? Find Iff meanings, definitions and more at the Real Dictionary online.

Iff Meaning

Iff Definition
Iff Definition

What's The Definition Of Iff?

IFF in American English
Identification, Friend or Foe: an electronic system for recognition of friendly aircraft, ships, etc.
abbreviation: Identification, Friend or Foe: a system of transmitters and transponders that uses coded signals to distinguish between friendly and hostile aircraft
abbreviation: if and only if

iff in British English
abbreviation for: Identification, Friend or Foe: a system using radar transmissions to which equipment carried by friendly forces automatically responds with a precoded signal
conjunction: 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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