| ▲ | dchftcs 2 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" | ||
| ▲ | tehnub 10 minutes ago | parent [-] | |
Indeed. See https://en.wikipedia.org/wiki/Common_knowledge_(logic) | ||