关键词: 元伦理学, 基本问题, 事实, 价值, 道德实践

Abstract: Meta-ethics is a main trend in the twentieth-century western ethics. It has exerted wide and deep impact in the modern history of western ethical development. This thesis is intended for an analysis of threebasic questions, that is, the basic issue of ethics, the relationship between fact and value, moral practice, in western meta-ethics, through the analysis of which we may get a glance at the basic structure of western meta-ethics.

Key words: meta-ethics, basic issues, fact, value, moral practice