(Q1445491)

English

aleph null

cardinal of the set of all natural numbers, and more generally of any well-ordered and countable infinite set

aleph-null
aleph naught
aleph-naught
aleph zero
aleph-zero
ℵ0
ℵ₀
countable infinity

In more languages

edit

Statements

0 references

countably infinite set

0 references

0 references

0 references

no value

successor cardinal operation

0 references

followed by

aleph one

criterion used

successor cardinal operation

0 references

discoverer or inventor

Georg Cantor

time of discovery or invention

1890s

1 reference

reference URL

https://jeff560.tripod.com/set.html

maintained by WikiProject

WikiProject Mathematics

0 references

said to be the same as

set of non-negative integers

1 reference

author

Rudolf Berghammer

title

Ordnungen, Verbände und Relationen mit Anwendungen (German)

publisher

Springer Vieweg Verlag

2012

10.1007/978-3-658-00619-8

page(s)

137

reference URL

https://books.google.de/books?id=oO-BNnhNYkMC&pg=PA137

Identifiers

Encyclopædia Britannica Online ID

topic/aleph-null

0 references

Google Knowledge Graph ID

/g/121qgjwy

0 references

MathWorld ID

Aleph-0

0 references

Sitelinks

Wikipedia(12 entries)

cawiki Àlef zero
cswiki Alef 0
dewiki Aleph 0
enwiki Aleph-null
eswiki Alef cero
etwiki Alef-null
frwiki Aleph-zéro
hewiki אלף אפס
simplewiki Aleph null
skwiki Alef 0
svwiki Alef-noll
trwiki Alef sıfır

(Q1445491)

aleph null

Statements

Identifiers

Sitelinks

Wikipedia(12 entries)

Wikibooks(0 entries)

Wikinews(0 entries)

Wikiquote(0 entries)

Wikisource(0 entries)

Wikiversity(0 entries)

Wikivoyage(0 entries)

Wiktionary(0 entries)

Multilingual sites(0 entries)