“知道者悖论”解析

Analysis of “Knower Paradox”

知道者悖论是关于"知识"概念的严格意义的逻辑悖论,它来源于作为其前身的绞刑悖论,是绞刑悖论的"极限"情况。为澄清相关概念,通过梳理与比较知道者悖论与绞刑悖论、简化的知道者悖论,以及道义逻辑中的知道者悖论的建构所分别依赖的背景知识,厘清这四者之间的区别与联系。

Knower paradox origins from the hangman paradox and is a logical paradox in strict sense of knowledge. The former is a limited situation of the latter. By investigating and comparing the background knowledge of the four paradoxes,this article expounded on the relationship between the knower paradox and its simplified form,and the relationship between the knower paradox and the paradox knower in deontic logic. The purpose of this article is to clarify the related concepts of the above four paradoxes.