Insights Informal Introduction to Cardinal Numbers - Comments

Click For Summary
The discussion centers around a new post on PF Insights that provides an informal introduction to cardinal numbers. Participants appreciate the clarity and simplicity of the explanation compared to traditional induction methods used in defining operations between ordinals. The post is seen as a valuable resource for understanding cardinal numbers more intuitively. Overall, the community finds the insights helpful for grasping this mathematical concept. The conversation highlights the importance of accessible explanations in mathematics.
micromass
Staff Emeritus
Science Advisor
Homework Helper
Insights Author
Messages
22,169
Reaction score
3,328
micromass submitted a new PF Insights post

Informal Introduction to Cardinal Numbers

cardinal-80x80.png


Continue reading the Original PF Insights Post.
 
  • Like
Likes Klystron and Greg Bernhardt
Mathematics news on Phys.org
Nice introduction! I read books where they define the operation between ordinals using the induction way but this is more clear and simple ...
 
  • Like
Likes Greg Bernhardt

Thread 'Leibniz Rule Videos on Digital-University'

Good morning I have been refreshing my memory about Leibniz differentiation of integrals and found some useful videos from digital-university.org on YouTube. Although the audio quality is poor and the speaker proceeds a bit slowly, the explanations and processes are clear. However, it seems that one video in the Leibniz rule series is missing. While the videos are still present on YouTube, the referring website no longer exists but is preserved on the internet archive...
View full post »

Similar threads

Insights The Lambert W Function in Finance
  • · Replies 0 ·
Replies
0
Views
4K
Insights What Are Numbers?
  • · Replies 13 ·
Replies
13
Views
4K
Insights Fixing Things Which Can Go Wrong With Complex Numbers
  • · Replies 7 ·
Replies
7
Views
4K
Insights An Introduction to Theorema Primum
  • · Replies 0 ·
Replies
0
Views
3K
Insights Things Which Can Go Wrong with Complex Numbers - Comments
  • · Replies 3 ·
Replies
3
Views
2K
Insights The History and Concept of the Number 0 - Comments
  • · Replies 7 ·
Replies
7
Views
3K
Insights Views On Complex Numbers
  • · Replies 108 ·
4
Replies
108
Views
11K
Insights What is a Real Number? A 5 Minute Introduction
  • · Replies 1 ·
Replies
1
Views
3K
Insights Groups and Geometry - Comments
  • · Replies 7 ·
Replies
7
Views
3K
Insights Intransitive Dice with a Twist - Comments
  • · Replies 8 ·
Replies
8
Views
3K