Scholarlink

<p>Two agents commonly know that <i>p</i> if they both know that <i>p</i>, they both know that they both know that <i>p</i>, they both know that they both know that they both know that <i>p</i>, etc. Is common knowledge ever possible? In this paper, I examine two influential arguments to the conclusion that common knowledge is impossible. I argue that they fail because they commit the <i>Zeno Fallacy</i>: the inference from the fact that something needs infinitely many steps to the conclusion that it’s impossible to do.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Escaping Zeno’s shadow: a defense of common knowledge

  • 期刊论文

  • 发表日期：

    2026年4月17日

查看全文
  • Yonathan Fiat

摘要

Two agents commonly know that p if they both know that p, they both know that they both know that p, they both know that they both know that they both know that p, etc. Is common knowledge ever possible? In this paper, I examine two influential arguments to the conclusion that common knowledge is impossible. I argue that they fail because they commit the Zeno Fallacy: the inference from the fact that something needs infinitely many steps to the conclusion that it’s impossible to do.