20世纪以降,以摩尔为开端的元伦理学思潮兴起。摩尔发现“自然主义谬误”并巧妙构造了“开放问题”论证,对传统伦理学进行了颠覆性的批判。后世伦理学家觉察到“开放问题”论证的生命力,通过修正和完善将其演变成一种论证装置,在不同学派的论争中发挥了重要的作用。 The rise of the tide of meta-ethics started with Moore in the twentieth century. Moore found that “naturalist fallacy ” and cleverly constructed the “open question ” argument, the traditional ethics were subversively criticized. Later ethics perceived the vitality of the argument of “open question” and transformed it into a kind of demonstration device through amendment and perfection, playing an important role in the debates of different schools.