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| - In 1884, the English schoolmaster Edwin A. Abbott published a geometrical fantasy he called Flatland: A Romance of Many Dimensions. ???Imagine a vast sheet of paper on which straight Lines, Triangles, Squares, Pentagons, Hexagons, and other figures, instead of remaining fixed in their places, move freely about, on or in the surface, but without the power of rising above or sinking below it,??? wro
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