Category:1889 in mathematics

Media in category "1889 in mathematics"

The following 4 files are in this category, out of 4 total.

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  First usage of the symbol ∈.png 2,508 × 740; 52 KB
  
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  Otto Hölder Bemerkung zur Quaternionentheorie 1889.pdf 1,239 × 1,754, 5 pages; 285 KB
  
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  Otto Hölder Ueber einen Mittelwerthssatz 1889.pdf 1,239 × 1,754, 10 pages; 411 KB
  
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  Peano - Principii di geometria, 1889.djvu 5,088 × 6,592, 41 pages; 859 KB