X-Nico

2 unusual facts about Georg Cantor


Annals of Science

He had published a biographical article on Georg Cantor in the journal in 1971 and met the-then editor, Heathcote, during the process of publication.

Georg-Cantor-Gymnasium

The Georg-Cantor-Gymnasium is a German gymnasium in Halle (Saale) with a special focus on mathematics and the sciences (specialist school).


Arithmetization of analysis

the various (but equivalent) constructions of the real numbers by Dedekind and Cantor resulting in the modern axiomatic definition of the real number field;

Cesare Burali-Forti

He was born in Arezzo, and was an assistant of Giuseppe Peano in Turin from 1894 to 1896, during which time he discovered what came to be called the Burali-Forti paradox of Cantorian set theory.

Infinitesimal

In the second half of the nineteenth century, the calculus was reformulated by Augustin-Louis Cauchy, Bernard Bolzano, Karl Weierstrass, Cantor, Dedekind, and others using the (ε, δ)-definition of limit and set theory.

Ordinal notation

There are many such schemes of ordinal notations, including schemes by Wilhelm Ackermann, Heinz Bachmann, Wilfried Buchholz, Georg Cantor, Solomon Feferman, Gerhard Jäger, Isles, Pfeiffer, Wolfram Pohlers, Kurt Schütte, Gaisi Takeuti (called ordinal diagrams), Oswald Veblen.

Philip Jourdain

He corresponded with Georg Cantor and Gottlob Frege, and took a close interest in the paradoxes related to Russell's paradox, formulating the card paradox version of the liar paradox.


see also