引　言在近二十年来的国外认识论讨论中 ,证词理论的研究是一个热点。“近来证词在认识论中甚至成了一个有些时髦的话题。一些哲学家 ,例如科迪 (T Coady)和弗里克 (E Frick er)凭借在证词领域的贡献而变得广为人知。然而对证词复兴的兴趣不只是更年青一代哲学家的特征 ,毕竟伯 Introduction In the discussion of foreign epistemology in the past two decades, the study of the theory of testimony is a hot topic. Recent testimony has even become a somewhat fashionable topic in epistemology, and some philosophers such as T Coady and E Frick er became known for their contributions in the testimony field. However, the revival of the testimony The interest not only characterizes the younger generation of philosophers, after all, Bo