Dedekind-infinite set

在數學方面，無窮與下述的主題或概念相關：數學的極限、阿列夫數、集合論中的類、戴德金無限集合（英语：Dedekind-infinite set）、羅素悖論、超實數、射影幾何、擴展的實數軸以及絕對無限。在一些主題或概念中，無窮被認為是一個超越邊界而增加的概念，而不是一個數。

Tools [3] Heijenoort 1967 [4] Moore, A.W. The Infinite, New York, Routledge, 1990 [5] Moore, A.W. "Set Theory, Skolem's Paradox and the Tractatus", Analysis

通过这种方法得出的有理数集合的特征…”（“The idea behind Dedekind cuts is that a real number x can be named by giving an infinite set of rationals, namely all the rationals

[來源請求] The 康托尔-伯恩斯坦-施罗德定理 in set theory was first stated without proof by Georg Cantor and first proved by Richard Dedekind Shuey's equation from 1985,

Island: American Mathematical Society: 79–81, 2010, ISBN 9780821849255  Dedekind, Richard; Weber, Heinrich, Theory of Algebraic Functions of One Variable