bn:00057820n
Noun Concept
Categories: Ordinal numbers, Wellfoundedness
EN
ordinal number  ordinal  no.  countable ordinal  countable ordinals
EN
The number designating place in an ordered sequence WordNet 3.0
mathematics
set theory
Definitions
Examples
Relations
Sources
EN
In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals Wikipedia
Order type of a well-ordered set Wikidata
An ordinal number such as first, second and third. Wiktionary
A natural number used to denote position in a sequence. Wiktionary
Arithmetic: number used to denote position in a sequence. Wiktionary (translation)
EN
The most common numerals in Latin, as in English, are the "cardinals"...and the "ordinals"... — F. M. Wheelock, Wheelock’s Latin, 6th ed. revised (2005), p97. Wiktionary
In the expression a3, the "3" is an ordinal number. Wiktionary