If you don't mind stretching your brain a bit, Wittgenstein was obsessed with this notion. https://www.bu.edu/wcp/Papers/Educ/EducMaru.htm#:~:text=Wittgenstein%

If you don't mind stretching your brain a bit, Wittgenstein was obsessed with this notion. https://www.bu.edu/wcp/Papers/Educ/EducMaru.htm#:~:text=Wittgenstein%20uses%20this%20fictional%20situation,or%20has%20learned%20different%20activities. https://www.bu.edu/wcp/Papers/Educ/EducMaru.htm#:~:text=Witt...