6.5 If it requires an answer that one cannot articulate, then one also cannot articulate the question.
The riddle does not exist.
If a question can be put at all, then it can also be answered.
The second sentence refers back to 6.4312. 6.5 supports my interpretation of 6.4312. But is even 6.5 meant to be nonsense? What are we told here, after all? In Letters to
 Weininger On Last Things, p. 89.