Pinocchio's Paradox
Pinocchio says "This sentence will make my nose grow": if it grows, he told the truth; if not, he lied. A fairy-tale version of the liar paradox.
Transcript
Pinocchio: "This sentence will make my nose grow." Caption: "With just a little logic, Pinocchio could have lifted his curse."
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2018-06-06-pinocchio-s-paradox/ (CC BY-NC 4.0)