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从适当的单称命题中可以推导出全称命题的谬误,这是证伪主义者可以利用的逻辑论点。以这种逻辑论点为基础,绕过归纳法的逻辑困难,证伪主义者进一步提出了科学的划界标准。他们认为,要使一个假说成为科学的一部分,它首先必须是在逻辑上可证伪的。证伪主义比归纳主义更有逻辑上的严密性。证伪主义的逻辑演变过程就像演绎推理过程那样让人明了并且确信无疑。然而,证伪主义有逻辑情境的疑难、理论并不符合科学史的发展历程、划界标准的不适当等局限性。
The fallacy of propositional propositions can be deduced from the appropriate singular propositions, a logical argument that falsificationists can make use of. Based on this logical argument, bypassing the logical difficulties of inductive method, the falsificationists further put forward the scientific demarcation standard. They think that to make a hypothesis part of science, it must first of all be logically falsifiable. Falsificationism is more logical than inductiveism. The logical evolution of falsification is as clear and convincing as deductive reasoning. However, the falsificationism has logical problems and the theory does not accord with the development course of the history of science and the demerit of demarcation standards.