“if and only if statement”的概念、定义、翻译、参考文献-科学参考

单词	if and only if statement
释义	if and only if statement Computer A well-formed formula of the form $A \equiv B$ where A and B are also appropriate well-formed formulas. See biconditional, propositional calculus.
随便看	phosphatide phosphatides phosphatidylcholine phosphide phosphine phosphinic acid phosphite phosphodiester bond phosphoenolpyruvate phosphoglyceric acid phosphokinase phospholipase phospholipid phospholipids phosphonate phosphonic acid phosphonium ion phosphonium salts phosphor phosphor bronze phosphor-bronze phosphorescence phosphoric(V) acid phosphorite phosphorous acid

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