Math with Bad DrawingsCartoon Archive

Truth and Falsehood Bins (series)

2015

A cheerful sorter files statements into Truth and Falsehood bins, until a card reading 'This sentence is false' leaves nowhere to put it.

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/2015-01-01-truth-and-falsehood-bins/ (CC BY-NC 4.0)
Transcript

[Two bins] TRUTH: "6 = √36" (approx.), "Umbrellas look silly", "There are many good potato dishes", "Baby pigs are cute". FALSEHOOD: "Ice cream sucks", "Lettuce is technically a car", "Dogs can smell the future", "Dancing caused WWII".

[1] Sorter holds a card "Some words rhyme" (smiling).

[2] Sorter holds a card "This sentence is false." (baffled)

Topics
Logic & Proof › Liar ParadoxLogic & Proof › Self-ReferenceLogic & Proof › Truth ValuesLogic & Proof › Paradoxes
Level
Middle SchoolHigh SchoolCollege
Themes
Self-ReferencePuzzles & ProblemsVisual ExplanationsLanguage & Wordplay