In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, n th, etc.) aimed to extend enumeration to infinite sets. [1]

Ordinal [Middle English, from Medieval Latin ordinale, from Late Latin, neuter of ordinalis] : a book of rites for the ordination of deacons, priests, and bishops

Mar 20, 2023 · The next type of measurement scale that we can use to label variables is an ordinal scale. Ordinal scale: A scale used to label variables that have a natural order, but no quantifiable …

The contexts of some problems called on the cardinal properties of numbers -- the quantity of elements in a set -- others on their ordinal properties -- their position in an ordered list.

ORDINAL definition: 1. a number such as 1st, 2nd, 3rd, 4th, that shows the position of something in a list of things…. Learn more.

2 days ago · Learn how to accurately name ordinal numbers from first to fifth.

Jul 23, 2025 · Ordinal Numbers are numbers that are used to represent position, rank or order in a sequence. They denote the position or order of an element in a sequence, such as "1st - first," "2nd - …

An ordinal number is a number that indicates the position or order of something in relation to other numbers, like, first, second, third, and so on. This order or sequence may be according to the size, …

Colloquially, an ordinal number is a number that tells the position of something in a list, such as first, second, third, etc. This basic understanding extends to the meaning of ordinal numbers in set theory.

Dec 22, 2025 · In formal set theory, an ordinal number (sometimes simply called an "ordinal" for short) is one of the numbers in Georg Cantor's extension of the whole numbers. An ordinal number is defined …