NTV观点引发的逻辑哲学问题——直陈条件句能嵌套吗?  

A Logic Philosophy Problem Arising from NTV:Can Indicative Conditionals Embed?

作　　者：胡怀亮[1] 

机构地区：[1]云南师范大学哲学系

出　　处：《逻辑学研究》2012年第4期27-38,共12页Studies in Logic

基　　金：教育部人文社科青年基金项目"基于NTV观点的条件句逻辑研究"(12XJC72040001)的阶段性成果

摘　　要：NTV观点的核心思想是直陈条件句不是命题,它没有真值条件并且无真值,其既不为真也不为假,而只表现为一个相应的概率值。这就引发了一个有争论的逻辑哲学问题——直陈条件句能否嵌套。如果把直陈条件句视为无真值的,那么嵌套后的复合条件句就不能判断其真假(真值表不能使用)。对于直陈条件句能否嵌套的问题,学界有不同的观点,我们认为要完全解决真之条件主义与条件概率主义两者之间的矛盾是非常困难的,然而,完全接受条件概率论题的哲学后果是非常危险的,同样,暗示放弃真之语义观也是非常危险的。The main idea of NTV is indicative conditionals are not propositions, they have no truth conditions and no truth value, they are neither true nor false, but only showed a corresponding probability value. It provokes an important logic philosophy problem, namely, whether indicative conditionals can embed. If indicative conditionals have no truth conditions, then we can not determine the truth value of an embedded compound conditionals （truth-tables can not be used）. It occurs some controversies on the embed- ding conditionals, we think it is difficult to settle the issue between truth-conditionalism and conditional probabilism, however, the philosophical result of accepted the condi-tional probability thesis is very dangerous, and gave up the truth of semantic concept is also very dangerous.

关 键 词：直陈条件句 NTV观点 嵌套 合理性 

分 类 号：B81-05[哲学宗教—逻辑学]