iff

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See also: IFF

English[edit]

Pronunciation[edit]

  • (UK) IPA(key): /ɪf ən(d) ˈəʊn.lɪ ɪf/
  • (US) IPA(key): /ɪf ən(d) ˈoʊn.lɪ ɪf/

Etymology 1[edit]

Conjunction[edit]

iff

  1. (mathematics, logic) Short for if and only if.
    A rectangle is a square iff all four of its sides have the same length.
Related terms[edit]
Translations[edit]

Etymology 2[edit]

Conjunction[edit]

iff

  1. Obsolete spelling of if.
    • 1565, Thomas Stapleton, A Fortreſſe of the Faith &c., Ihon Laet, the 2. part. 112:
      For iff the patient be aſhamed to diſcloſe hiſ wounde to the phyſician which knoweth it not , phyſicke can not helpe him.

Anagrams[edit]