Someone might say, “I know what I think, but I can’t find the words.” How do you react? Do you imagine the person having a perfectly well-formed thought in their mind, but being unable to find the words to match? If there is a thought that is separate from words, then that thought is either well-formed or not. In order to tell if that thought is well-formed, we need some way to conduct a test. It is difficult to image what this test might be like. Do we gaze at it for a while, observing its well-formedness? And what does a well-formed thought look like? The most obvious test for…