Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan · leaf 194
ultimately obtain a geometrical figure or network. In theKonigsberg problem this figure is of the shape indicated below,the areas being represented by the points A, B, C, D, and thebridges being represented by the lines /, m, n,p, q, r, s. … Eulers problem consists therefore in finding whether agiven geometrical figure can be described by a point movingso as to traverse every line in it once and only once. A moregeneral question is to determine how many strokes are neces-sary to describe such a figure so that no line is traversed…
Mathematical recreations · Geometry · Astrology · Space and time · Matter · Magic squares
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