This idea has been analogized to the figure of Robinson Crusoe, and to a person who (*) writes an "S" in a diary every time he feels a certain sensation.
The formulator of this concept tried to clarify it by distinguishing the nonsense of a "nonsense-poem" from the nonsense of a "babbling child." In The Language of Thought, Jerry Fodor explained "how there could be" such a concept and "what it must be like." This idea has been analogized to the figure of Robinson Crusoe, and to a person who (*) writes an "S" in a diary every time he feels a certain sensation. Saul Kripke wrote a book examining "Rules" and this subject, and its own formulator thought this concept to be a logical impossibility, as he demonstrated in his beetle-in-a-box thought experiment. For ten points, name this concept from Ludwig Wittgenstein's Philosophical Investigations, which describes a language that cannot be understood by anyone except its speaker.
The formulator of this concept tried to clarify it by distinguishing the nonsense of a "nonsense-poem" from the nonsense of a "babbling child."
private language (argument) [prompt on PLA]