Magic or Geometry





"We shall see in Chapter 13 that classical Euclidean geometry can be considered as magic; at the price of a minimal distortion of appearances (a point without size, a line without width) the purely formal language of geometry describes adequately the reality of space. We might say, in this sense, that geometry is successful magic. I should like to state a converse: is not all magic, to the extent that it is successful, geometry?"

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