Eventually, Sofía and Alberto realize they are not real people. They are characters in a novel being written by Major Albert Knag (Hilde’s father) as a philosophical textbook and birthday gift for his daughter. Their entire world — their thoughts, actions, and the philosophy lessons — is a fiction created by the Major.
El mundo de Sofía (Sophie’s World) is a novel by Norwegian author Jostein Gaarder, published in 1991. It’s a unique blend of fiction and philosophy, often used as an introduction to the history of Western thought. El mundo de Sofia
The book’s main metaphor is the The rabbit represents the universe/nature. Most people are born at the tip of the rabbit’s fine hairs (focused on mundane, sensory details). Philosophers, however, crawl down to the fur and try to climb up to the magician (the creator/ultimate reality). Sofía’s journey is a literal attempt to climb from the fur (her fictional world) to the magician (the Major). Eventually, Sofía and Alberto realize they are not
Here’s a breakdown of the article’s likely contents and key themes: El mundo de Sofía (Sophie’s World) is a
With this knowledge, Sofía and Alberto rebel against their creator. They use their philosophical training to break free from the "plot" and escape into a different plane of existence (a "noetic" or thought-world), where they can observe the "real" world of Hilde and her father from the outside.