A written form of abbreviation of the phrase ‘if and only if’, always read as ‘if and only if’, used in Mathematics and Logic to introduce a…
| 单词 | θ130340 |
| 释义 | the mind > attention and judgement > testing > attestation, witness, evidence > qualification > [noun] > instance of > necessary condition (1) iff1955 A written form of abbreviation of the phrase ‘if and only if’, always read as ‘if and only if’, used in Mathematics and Logic to introduce a… |
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