iff

See also: IFF

English

Pronunciation

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

Conjunction

iff

(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

if

Translations

abbreviation of if and only if

Danish: hviss
Dutch: desda
Finnish: joss (fi)
French: ssi (fr)
German: gdw.
Hebrew: אםם‎ (he)
Hungarian: acsa
Norwegian: hviss (no)
Polish: wtw
Portuguese: sse, sss
Romanian: ddacă
Russian: титтк (tittk)
Spanish: sii
Swedish: omm (sv)

Conjunction

iff

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

FFI, FIF, Fif.

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