Just last week I have found more about this great mathematician and I thought I have to share it with you all. No more further introduction, I give you: Giuseppe Peano ^_^
Giuseppe Peano, born on 27th August 1858, was an Italian mathematician. The author of over 200 books and papers, he was a founder of mathematical logic and set theory, to which he contributed much notation ( in his first book dealing with mathematical logic, the modern symbols for the union and intersection of sets appeared for the first time.). The standard axiomatization of the natural numbers is named the Peano axioms in his honor.
As part of this effort, he made key contributions to the modern rigorous and systematic treatment of the method of mathematical induction.
Moreover, Peano’s famous space-filling curve appeared in 1890 as a counterexample. He used it to show that a continuous curve cannot always be enclosed in an arbitrarily small region. This was an early example of what came to be known as a fractal.
Moreover, in his first book dealing with mathematical logic, the modern symbols for the union and intersection of sets appeared for the first time. He did much and more.
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