The issue of vagueness is summarized in a more technical way by the philosopher Karl Popper who described--who introduced the term of falsifiability.

关于概念模糊的问题,哲学家卡尔·波普用一个更加专业的术语,进行了总结,他提出了“可证伪性“这个术语。

耶鲁公开课 - 心理学导论课程节选

Syntax is a more technical term but it means the same thing as grammar.

这里说的语法是更加专业的术语,在意义上和平时说的语法是一样的

耶鲁公开课 - 心理学导论课程节选