Let us take some actual territory in which cities appear in the following order: Paris, Dresden, Warsaw, when taken from the West to the East. If we were to build a map of this territory and place Paris between Dresden and Warsaw thus: We should say that the map was wrong, or that it was an incorrect map, or that the map has a different structure from the territory. If, speaking roughly, we should try, in our travels, to orient ourselves by such a map, we should find it misleading. It would lead us astray, and we might waste a great deal of unnecessary effort. In some cases, even, a map of
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