Gulliver’s Travels Questions Part IV, Chapters 3-5: What is the significance of the phrase “the thing which is not” in these chapters

1.What is the significance of the phrase “the thing which is not” in these chapters?

2. What do the Houyhnhms discover about Gulliver’s physical appearance?

3. What are they unable to understand about a country where horses serve humans?

4. What political concepts are the Houyhnhms unable to understand?

5. How does Gulliver characterize religious disputes in speaking to the Houyhnhms?