Translations

8 languages
Русский
By meaning 1
implies and is implied by:
Deutsch
By meaning 1
implies and is implied by:

Examples

11 sentences
  1. An integer is natural if and only if it is greater or equal to 0.

    Ціле число називається натуральним тоді і тільки тоді, коли воно більше або дорівнює 0. — deniko

    ruЦелое число является натуральным тогда и только тогда, когда оно больше или равно нулю. — ae5s

    deEine ganze Zahl ist genau dann natürlich, wenn sie größer oder gleich 0 ist. — MUIRIEL

  2. Thus, p is the case if and only if q is the case.

    deAlso ist p der Fall genau dann, wenn q der Fall ist. — User4473

    Tatoeba contributors · Tatoeba · CC BY 2.0 FR · B1Open on TatoebaReport a problem
  3. Tom goes to the market if and only if Mary goes to the market.

Meaning

2 senses
  1. Is equivalent to; implies and is implied by; is true and false in the same cases as.

    A rectangle is a square if and only if all four of its sides have the same length.

    An integer is even if and only if its square is also even.

    genau dann, wenn, dann und nur dann, wenn

    тогда́ и то́лько тогда́

  2. (broadly, informal)Synonym of if (with added intensity)

    I'll let you go to the concert if and only if you clean your room.

Synonyms

1 synonyms
(informal)Synonym of if:ifA1

Word family

2 related words

See also

neighbours in the dictionary

Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.

if and only if — meaning, examples, forms, synonyms | Krumeto