论蒯因对三值逻辑的批评

On Quine’s Animadversions on Three-valued Logics

  • 摘要: 三值逻辑是20世纪20年代以来发展起来的一种非经典逻辑系统,蒯因对其持批评的态度。蒯因反对三值逻辑的原因有三:一是有些三值逻辑系统建立在错误认识之上;二是有些三值逻辑所关注的问题可以在经典逻辑中得到解决;三是有些三值逻辑系统的建立并不能解决其想解决的问题。蒯因所批评的仅是三值逻辑中违反排中律的部分系统,而非全部,这体现了蒯因关于逻辑真之观念。

     

    Abstract: Quine takes a strongly critic attitude towards three-valued logic,which is an important branch of non-classical logical systems.This paper will reflect on Quine’s animadversions and attributes them to three kinds.Firstly,Quine believes that some systems of three-valued logics are based on erroneous understandings of logical truth;Secondly,some issues of them can be solved by classical logical theory,finally some systems of three-valued logics can’t solve the issues they originally want to.This p...

     

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