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Cardinal Numbers Articles

Tag Archive for: cardinal numbers

cardinalnumbers

Cardinal and Ordinal Numbers: An Informal Introduction

September 13, 2015
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1 Comment
Cardinal numbers measure the size of a set, including infinite sets, while ordinal numbers describe the structure of a well-ordered set. Every set can…
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infinity_faq

Infinity in Mathematics: What It Really Means, Explained

September 2, 2015
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17 Comments
Infinity is not a real number but a set of distinct mathematical tools, including the extended real line, the projective real line, the Riemann sphere,…
https://www.physicsforums.com/insights/wp-content/uploads/2015/09/infinity_faq.png 135 240 Micromass https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Micromass2015-09-02 15:53:082026-07-31 11:53:43Infinity in Mathematics: What It Really Means, Explained

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