Did ancient China ( early Qin Dynasty ) have dialectical logic Science?

中国古代 ( 先秦 ) 已经有了辩证逻辑(科学) 吗 ?

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At present, it is not dialectical logic scholars who block the development of logic science.

当今之世, 摧残了逻辑科学发展的并不是辩证逻辑学者.

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