About Flatland and, on how to construct a friend of dimension 4 for A. Square
<p>The greater the number of sides, the higher the social status of the Flatlander: the nobility was composed by regular n-gons called Circles (thousands of sides), the priests. Squares and Pentagons belonged to the professional class. Equilateral triangles were part of the middle class and Isoceles were associated to the lowest class, the soldiers. Women (rectangles of infinitesimal width, conceived as Straight Lines) were almost above criminals: irregular plane figures in a place where a “connection between geometrical and moral irregularity” was perceived as the result of an immutable, Natural Law.</p>
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