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From the perspective of potential infinity (poi) and actual infinity, Ref [4] has confirmed that poi and aci are in ’unmediated opposition’ (P,﹁P ) whether in ZFC or not; it has further been proved that the manners in which a variable infinitely approaches its limit also satisfy the law of intermediate exclusion. With these results as theoretical bases, this paper attempts to provide an accurate and strict logical-mathematical interpretation of the incompatibility of Leibniz’s secant and tangent lines in the medium logic system from the perspective of logical mathematics. 相似文献
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本文基于中介命题逻辑的扩张系统 MP*之命题联结词含量的完全性结果 ,进一步证明了 Lukasiwicz三值逻辑系统 L*3 、Post三值逻辑系统 P*3 、Slupecki三值逻辑系统 S*3 和 Woodruff三值逻辑系统 W*3 等的命题联结词的含量也是完全的 .从而着眼于形式系统 ,可知 MP*、L*3 、P*3 、S*3 、W*3 的语言表达的能力也都是等效的 .又若这些三值系统都是可靠的完备的 ,则可进一步证明这些三值系统立足于形式推理也都是互相等价的 . 相似文献
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