當且僅當
Chinese edit
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 | ||
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trad. (當且僅當) | 當 | 且 | 僅 | 當 | |
simp. (当且仅当) | 当 | 且 | 仅 | 当 | |
Literally: “when and only when”. |
Pronunciation edit
Conjunction edit
當且僅當
Synonyms edit
- 若且唯若 (ruòqiěwéiruò)