positivismglossary / POSITIVISM positivism. The doctrine that all true knowledge is derived from observable phenomena, rather than speculation or reasoning. See LEGAL POSITIVISM; LOGICAL POSITIVISM; positivist jurisprudence under JURISPRUDENCE. 词条贡献者 双语律师Nanda,国际知名法学院国际法专业,擅长翻译各类与生物医学诉讼相关的法律文件。