逻辑有效性概念:一元还是多元——图尔敏的逻辑有效性思想评析

Logical Valid Concept:One-dimensional or Multi-dimensional——Toulmin's Logic Valid Thought Evaluation

图尔敏的扩展有效性概念尽管并不完善,有的解释甚至是含混的,但是,图尔敏关于有效性概念可以扩展和变异的思想却有深刻的哲学意蕴。图尔敏扩展有效性思想给我们的方法论启迪是:有效性概念作为一个逻辑的概念是可以扩展甚至变异的。与有效性概念相关的是保真性概念。我们认为:既然有效性概念是可以变化的,那么保真性概念也是可以变化的。有效性概念的多元化必然导致保真性以外的类似于保真性的概念。在图尔敏那里,这个扩展概念就是保权性。这种逻辑概念的扩展是逻辑发展的必然需要。也是逻辑学实践转向的必然产物。

Toulmin＇s expansion valid concept is imperfect, some explanations even are ambiguous, but, the expand and the variation thought about the valid concept actually has the profound philosophy implication. Toulmin expansion valid thought gives our methodology inspiration is： the valid concept takes a logical concept is may expand even the variation. The valid concept is related with the fidelity concept. We believed that since the valid concept is may change, then the fidelity concept is also may change. The valid concept＇s multiplication causes concept outside the fidelity inevitably being similar in the fidelity concept. , Toulmin think this expansion concept is guarantees the power. This logical concept ＇s expansion is the logical development necessity needs. And also the inevitabie product which the logic practice changes.