2-5谓词演算的等价式 定义5：逻辑等价式 (logically equivalent ) ： 给定任何两个谓词公式wff A和wff B，设它们有 共同的个体域E，若对A和B的任一组变元进行赋值所 得的命题的真值相同，则称谓...
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严格意义上的逻辑悖论有三大构成要素：公认正确的背景知识、严密无误的逻辑推导、能够推出矛盾等价式。
Strict logical paradox generally contains three important element factors: well-known background knowledge, refined logical-inference and contradictive equality that can be reasoned.
在对命题逻辑代数化表示的基础上，通过解多项式方程组，对命题公式进行等价转换、演绎推理。
This research paper of proposition logic algebra in the said, on the basis of the solution of equations by polynomial, propositional formula for equivalent conversion and deductive reasoning.
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