bn:00057820n
Noun Concept
Categories: Wellfoundedness, Ordinal numbers, All articles needing additional references
EN
ordinal number  ordinal  no.
EN
The number designating place in an ordered sequence WordNet 3.0
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EN
In set theory, an ordinal number, or ordinal, is one generalization of the concept of a natural number that is used to describe a way to arrange a collection of objects in order, one after another. 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