“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	property of optimal substructure property of seismic ground motion property P property P conjecture property preservation property relation property report system property rescue on the water property right of grassland property right of natural resource assets property right policy property right regulation Property Rights and Institutional Change property rights in a work property rights reform of China's state-owned enterprises property rights system for natural resources property rights theory property rights transfer income property rules property safety management property sanction property system property system of environment property tax law property without aftereffect

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