Fraleigh en Beauregard over 1 in het wiskundemuseum
Numbers exist only in our minds. There is no physical entity that is number 1. If there were, 1 would be in a place of honor in some great museum of science, and past it would file a steady stream of mathematicians gazing at 1 in wonder and awe.
John B. Fraleigh & Raymond A. Beauregard, Linear Algebra
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