“命题变元”的概念、定义、翻译、参考文献-科学参考

单词	命题变元
释义	命题变元 Mathematics ＞数理逻辑与数学基础＞模型论＞释义 propositional variable; sentential variable命题变元 propositional variable命题变元^†，命题变项 sentential variable命题变元^†，命题变项
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