Disappearing Lines in a Rectangle

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This Demonstration illustrates a disappearing line paradox: count the lines, translate, and count the lines again.

Contributed by: Izidor Hafner (December 2012)
Open content licensed under CC BY-NC-SA


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Reference

[1] B. A. Kordemsky, The Moscow Puzzles, London: Penguin, 1990, p. 134.



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