"Johannes Scheubel (18 August 1494 – 20 February 1570) was a German mathematician. His books include De Numeris et Diversis Rationibus (1545) and Algebrae Compendiosa (1551)." - (en.wikipedia.org 11.08.2021)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)
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