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 资深译员Ting,世界知名语言学院法律英语专业,专注翻译各种与专业责任纠纷有关的法律文件。