The Trivial Witness
A detective dismisses the murderer as a witness to the murder: that's the trivial solution. They need a nontrivial one.
Transcript
Detective: "I wonder if anyone witnessed the murder." "Well, the murderer certainly did." Detective: "Yes, that's the trivial witness. We need a nontrivial one."
Content note: Murder-mystery framing.
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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/2024-09-03-the-trivial-witness/ (CC BY-NC 4.0)