Tricki
a repository of mathematical know-how
Navigate
Tags
Search
Forums
Help
Tags
›
Set theory
Set theory
Options
Include all descendant tags and articles
Child tags
There are no further child tags to display.
Articles
A
A good way of proving that a set is countable
A quick way of recognising countable sets
B
Building examples with given properties
F
Finding subsets front page
H
How to use the continuum hypothesis
J
Just-do-it proofs
T
Transfinite induction
Search this site:
Username:
*
Password:
*
Create new account
Request new password
Recent articles
View a list of all articles.
Diagonal arguments
Finding an interval for rational numbers with a high denominator
Try to prove a stronger result
Use self-similarity to get a limit from an inferior or superior limit.
Prove a consequence first
Lower degree by increasing dimension (or vice-versa)
Numerical optimization
Numerical solution of partial differential equations
Active forum topics
Plenty of LaTeX errors
Tutorial
A different kind of article?
Countable but impredicative
Tricki Papers
more
Recent comments
Higher dimensional analogues
17 weeks 4 days
ago
Angela, I think you missed
1 year 40 weeks
ago
covering a disc
2 years 12 weeks
ago
Only if squares are of the
2 years 29 weeks
ago
Squares?
2 years 29 weeks
ago
more

17 weeks 4 daysago1 year 40 weeksago2 years 12 weeksago2 years 29 weeksago2 years 29 weeksago