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For this reason, one scholar has asserted that maps "lack any viewer at all, because they are not representations of the world seen, but of the mathematical essence of the world." [n. 6]
[6] Lucia Nuti, "The Perspective Plan in the Sixteenth Century: The Invention of a New Representational Language". – In: Art Bulletin 76 (1994), S. 126, n. 71.