Plot Device: Body Swap (Derangement)
A story trope recast as a math object: Body Swap (Derangement).
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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/2024-11-04-mathematical-plot-devices--plot-device-body-swap-derangement/ (CC BY-NC 4.0)Transcript
Body Swap (derangement): All people exchange bodies. No fixed points are allowed.