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by dchftcs 6 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"
2 comments
mdemare 24 minutes ago
“When everybody knows that everybody knows” by Steven Pinker is about this.
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tehnub 4 hours ago
Indeed. See https://en.wikipedia.org/wiki/Common_knowledge_(logic)
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