Countable set

https://www.wikidata.org/wiki/Q185478

Field Hierarchy

Parent
Mathematics 21.8M papers	Pure mathematics 2.8M papers	Combinatorics 2.1M papers	Discrete mathematics 685k papers
Current
Countable set 16.7k papers
Child
Uncountable set 3,130 papers	Second-countable space 1,163 papers	Amenable group 434 papers	Cofinality 413 papers
Cosmic space 316 papers

Trends

Notes

History