Wugi's Mathness Verzamelingen, oneindigheid, getallen- Sets, infinities, numbers Guido "Wugi" Wuyts @ Dilbeek, Belgium, Europe, World, Solar System, Milky Way, Local Cluster, ... |
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(Be)spiegelingen over verzamelingen, oneindigheid, getallen
(Re)flections on sets, infinities, numbers