“biconditional”的概念、定义、翻译、参考文献-科学参考

单词	biconditional
释义	biconditional Encyclopedia 文学特指性释 biconditional双条件式对于任何命题P、Q而言，P是Q的充分必要条件，P成立时，Q成立；Q成立时，P成立，即P等价于Q的条件式。用符号“↔”表示。又称等值式。 Mathematics biconditional双条件的；双条件联结词
随便看	cross-dock operations cross drift crossed crossed automorphism crossed complex crossed-Dragone telescope crossed equivalence crossed extensor reflex crossed-field crossed functor crossed grating crossed-grating antenna crossed homomorphism crossed hyperbolic rotation crossed isomorphism crossed ladders problem crossed ladders theorem crossed lens crossed-loop antenna crossed module crossed molecular beam crossed multiplication crossed Nicol prism crossed Nicols crossed polarizer

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