Math Research Curses
A witch stirs a cauldron and curses a mathematician's research: may their theorem be undecidable.
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Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2015-01-01-math-research-curses/ (CC BY-NC 4.0)Transcript
[Title] "Math Research Curses"
Witch (stirring a cauldron): "Eye of moth and tongue of rhino-bull… may the theorem you seek be undecidable."