Common_Knowledgeについて、ここに記述してください。

https://plato.stanford.edu/entries/common-knowledge/


Knowledge and the Flow of Information (The David Hume Series) (English Edition) 

== mutual knowledge ==
https://en.wikipedia.org/wiki/Mutual_knowledge_(logic)


https://en.wikipedia.org/wiki/The_Emperor%27s_New_Clothes

"The Emperor's New Clothes" (Danish: Kejserens nye klæder [ˈkʰɑjsɐns ˈnyˀə ˈkʰleːɐ̯]) 

https://www.sciencedirect.com/science/article/abs/pii/S0378216699001289