当且仅当
dāng​qiě​jǐn​dāng

if and only if

  • created sense approved 当且仅当/當且僅當 · dāng​qiě​jǐn​dāng · if and only if — "Initial import from upstream dictionary"

    当且仅当 / 當且僅當

    dāng​qiě​jǐn​dāng

    if and only if

    Used in logic and mathematics to indicate that two statements are equivalent; when and only when

    当 (literal) → 当/當 · dāng · at a time 且 (literal) → 且 · qiě · and 仅 (literal) → 仅/僅 · jǐn · only 当 (literal) → 当/當 · dāng · at a time

    Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

    created sense