iff

See also: IFF

English

Pronunciation

• Read as “if and only if”

Conjunction

iff

1. (mathematics, logic) if and only if; used to show that the truth values of two statements are the same.
2. Obsolete spelling of if.

Related terms

• if

See also

• formal logic

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)

Anagrams

• FFI, FIF, Fif.