Countable set/Related Articles
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- See also changes related to Countable set, or pages that link to Countable set or to this page or whose text contains "Countable set".
Parent topics
- Set (mathematics) [r]: Informally, any collection of distinct elements. [e]
- Set theory [r]: Mathematical theory that models collections of (mathematical) objects and studies their properties. [e]
- Cardinality [r]: The size, i.e., the number of elements, of a (possibly infinite) set. [e]
- Natural number [r]: An element of 1, 2, 3, 4, ..., often also including 0. [e]
- Aleph-0 [r]: Cardinality (size) of the set of all natural numbers. [e]
- Injective function [r]: A function which has different output values on different input values. [e]
- Mathematical induction [r]: A general method of proving statements concerning a positive integral variable. [e]
- Cantor's diagonal argument [r]: Proof due to Georg Cantor showing that there are uncountably many sets of natural numbers. [e]
- Infinity [r]: Add brief definition or description
- Galileo's paradox [r]: The observation that there are fewer perfect squares than natural numbers but also equally many. [e]
- Hilbert's hotel [r]: A fictional story which illustrates certain properties of infinite sets. [e]