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Comment by dchftcs

20 hours ago

"I know this" is different from "I know you know this", which is different from "You know I know this", which is still different from "you know I know you know this"

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dchftcs

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tehnub 18 hours ago

Indeed. See https://en.wikipedia.org/wiki/Common_knowledge_(logic)

mdemare 14 hours ago

“When everybody knows that everybody knows” by Steven Pinker is about this.