文章摘要
弗雷格迷题的无解性
Insolubility of Freges Puzzle
  
DOI:
中文关键词: 弗雷格迷题  指称  涵义  语义学  认知价值
英文关键词: Key words: Freges puzzle  reference  sense  semantics  cognitive value
基金项目:国家社科基金重大项目(12&ZD119)
作者单位
陈星群 北京大学 哲学系北京 100871 
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中文摘要:
      为真的同一陈述句a=b与a=a在认知价值上有区别。这种区别的根源是什么?弗雷格在《论涵义与指称》中试图从语义的角度来解释。这个问题后来被称作“弗雷格迷题”。其他的哲学家或是从语义方面继承弗雷格的思想,或是从语形方面来解决它。但已有的这两方面的考虑都不能解决弗雷格迷题。若某种语义理论能够解决弗雷格迷题,其自身所存在着的“高阶”弗雷格迷题将迫使它或者不能解决后者,或者会导致不同的符号无法被用于同一陈述。另一方面,从语形出发解释弗雷格迷题的方案,并不比直接规定“这两个表达式的认知价值不同”有更多的优势。从这个意义而言,弗雷格迷题是不可解的。
英文摘要:
      There are cognitive differences between equalities “a=b” and “a=a”. What is the source of these differences? Frege tried to interpret it semantically in his On Sense and Reference. Afterwards this problem was called “Freges Puzzle”. Other Philosophers tried to answer it. They either treated it semantically by inheriting Frege’s method, or treated it syntactically. But so far none of them solved Freges puzzle. If there were some semantic theories which were able in solving Freges puzzle, their intrinsic “higher-order” Freges puzzles would still be insoluble, or it would force that distinct symbols would never be used on equalities. On the other hand, solving Freges puzzle syntactically is not better than merely demanding “these two expressions are cognitively different”. On this sense, Freges puzzle is insoluble.
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