“CountablyInfinite”的概念、定义、习题解题方法及翻译-数学辞典

单词	CountablyInfinite
释义	countably infinite A set $S$ is countably infinite if there is a bijection between $S$ and $\\mathbb{N}$ . As the name implies, any countably infinite set is both countable and infinite. Countably infinite sets are also sometimes called denumerable.
随便看	The encode-decode proof TheFibonacciQuarterly The Fibonacci Quarterly TheFieldExtensionmathbbRmathbbQIsNotFinite the field extension ℝ/ℚ is not finite The field of rational numbers The flattening lemma The Freudenthal suspension theorem The general syntax of higher inductive definitions The general syntax of inductive definitions TheGrossencharacterAssociatedToACMEllipticCurve TheGroupsOfRealNumbers the groups of real numbers the Grössencharacter associated to a CM elliptic curve TheHamiltonianRingIsNotAComplexAlgebra The Hamiltonian ring is not a complex algebra The higher groupoid structure of type formers TheHistoryOfHavingSettledToAccomplishStudies The History of Having Settled To Accomplish Studies TheHistoryToGettingSettledToCompleteReviews The History to Getting Settled To Complete Reviews TheHnonEquation The homotopy-theoretic proof The Hopf construction The Hopf fibration

数学辞典收录了18232条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。

countably infinite