“conditional negation”的概念、定义、翻译、参考文献-科学参考

单词	conditional negation
释义	conditional negation Logic An inference frequently discussed in literature on conditional logic that from a sentence $\neg (φ \to ψ)$ , one can infer the sentence $φ \to \neg ψ$ , where $\to$ and $\neg$ are conditional and negation connectives, respectively. Formally, the inference $\frac{\neg (φ \to ψ)}{φ \to \neg ψ}$
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