Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, cardinal numbers, or cardinals for short, are a generalization of the natural numbers used to measure the cardinality (size) of sets. The cardinality of a finite set is a natural number – the number of elements in the set. The transfinite cardinal numbers describe the sizes of infinite sets.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.