谓词抽象和“弗雷格之谜”  

On Predicate Abstraction and Frege's Puzzle

作　　者：邓雄雁[1] 秦波[2] 胡泽洪[2] 

机构地区：[1]华南师范大学政治与行政学院博士后流动站 [2]华南师范大学政治与行政学院

出　　处：《学术研究》2014年第10期23-28,159,共6页Academic Research

基　　金：国家社会科学基金项目"自由逻辑及其相关哲学问题研究"(13BZX068)的阶段性成果

摘　　要：弗雷格认为"相等"问题需要考虑涵义和意谓两个因素,这个问题包含相等的必然性、同一保真替换有效性和空词项三方面的问题。这些之所以成为问题,原因在于缺乏一个有效手段对"相等"的从言和从物形式进行区分,并误认为内涵和外延是截然对立的。引入谓词抽象,可以穿透内涵语境,把涵义和意谓衔接起来,对模态从言和从物形式进行区分,并刻画词项的不同指称方式,从而完成对"相等"问题的三方面考察。According to Frege, the puzzle of equality needs to be considered the sense and reference. That problem includes three aspects, namely necessary identity, substitution principle and empty terms. It becomes a problem because of the lack of an effective means of ‘equality' in distinguishing between its modal of proposition based on speech and its modal of re-proposition based on matters, also because we mistakenly believe that sense and extension are things completely opposite to each other. If predicate abstraction is added to the modal of predicate logic, it will go beyond the modal context, and combine sense and reference together for us to consider, it will also help to distinguish the modal of speech forms from the modal of material forms. And the terms for expressing are referred to by predicate abstraction. These three aspects of the puzzle could be accounted.

关 键 词：弗雷格 相等 从言模态 从物模态 谓词抽象 

分 类 号：B815[哲学宗教—逻辑学]