As an example, Euclid's theorem is often mentioned as "the set of the key quantities is infinite". This vast usage of sets in mathematics was prophesied by David Hilbert when indicating: "No one will travel us with the paradise which Cantor created for us."[1] Việc thực Helloện đúng các bước https://marlboroughi813hgh5.wikienlightenment.com/user