Dear Mathematician: Dear Cantor
'Countable' infinity dares Cantor to count it.
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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/2017-05-03-dear-mathematician-who-discovered-me--dear-mathematician-dear-cantor/ (CC BY-NC 4.0)Transcript
"Dear Cantor, You tryin' to start something? Go ahead, if you're so smart. Count me, tough guy. –'Countable' infinity" [ℚ] "That's what I thought."