Lewis Thomas uses two types of reasoning in his expository essay: inductive and deductive thinking. He thinks that the best way for us to communicate something about ourselves to others in space would be to send classical music. This is an observation he has made based on the fact that by sending Bach’s music we would be bragging because let’s face it, Bach is the best course of action. From this conclusion he says sending Bach would be excusable since we humans want to showcase ourselves in the best possible way for an introduction with extraterrestrial life. In the end Thomas reaches the final conclusion that Bach’s music would convey what we humans are really like. From this we can tell that his train of thought is shown through inductive
