about his inability to "know" certain things, there is reason to believe that the unexpected hanging paradox is simply a more intricate version of Moore's paradox. A suitable analogy can be reached by reducing the length of the week to just one day. Then the judge's sentence becomes: You will be hanged tomorrow, but you do not know that. In literature The paradox also appears in the children's novel More Sideways Arithmetic From Wayside School by Louis Sachar. In one of the stories, the teacher, Mrs. Jewls, plans on having a pop quiz the following week, but will not let the class know in advance. Unlike in the classic paradox, the students eliminating the days one by one causes Mrs. Jewls to abandon the idea. See also Bottle Imp paradox Centipede game, the Nash equilibrium of which uses a similar mechanism as its proof. Crocodile dilemma Interesting number paradox List of paradoxes References Further reading The first appearance of the paradox in print. The author claims that certain contingent future tense statements cannot come true. The author argues that a surprise exam (or unexpected hanging) can indeed take place on the last day of the period and therefore that the very first premise that launches the paradox is, despite first appearances, simply false. The author critiques O'Connor and discovers the paradox as we know it today. The author claims that the prisoner's premises are self-referring. The first complete formalization of the paradox, and a proposed solution to it. A history and bibliography of writings on the paradox up to 1983. The author claims that the prisoner assumes, falsely, that if he knows some proposition, then he also knows that he knows it. The author defends and extends Wright and Sudbury's solution. He also updates the history and bibliography of Margalit and Bar-Hillel up to 1991. English translation. Completely analyzes the paradox and introduces other situations with similar logic. External links "The Surprise Examination Paradox and the Second Incompleteness Theorem" by Shira Kritchman and Ran Raz, at ams.org "The Surprise Examination Paradox: A review of two so-called solutions in dynamic epistemic logic" by Alexandru Marcoci, at Faculty of Science: University of Amsterdam "Jethro On Death Row": a song based on this paradox, composed and performed by Simon Beck Logical paradoxes Works about prisons Hanging 1963 introductions