當且僅當

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Chinese

to act as; represent; equal
to act as; represent; equal; should; fitting; suitable; adequate; proper; replace; to be; to hold a position; manage; withstand; when; during; ought; match equally; same; obstruct; just at (a time or place); on the spot; right; just at
 
 further; moreover barely; only; merely
to act as; represent; equal
to act as; represent; equal; should; fitting; suitable; adequate; proper; replace; to be; to hold a position; manage; withstand; when; during; ought; match equally; same; obstruct; just at (a time or place); on the spot; right; just at
 
trad. (當且僅當) 當 且 僅 當
simp. (当且仅当) 当 且 仅 当
Literally: “when and only when”.
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Pronunciation

Conjunction

當且僅當

  1. (Mainland China, mathematics, logic) if and only if

Synonyms

Wikious
Boobota
Sagapedia