The Unsolved Theorem of Master Thorpe, also known shortly as the Unsolved Thorpe Theorem, was a hyperspace plotting conundrum created by Jedi Master Thorpe. The theorem was written in one of the Sacred Jedi texts and was often posed to Padawans. A solution to the theorem known as the Phases of Mortis was also included in the text.
- Star Wars: The Rise of Skywalker: The Visual Dictionary