ordinal number


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Related to ordinal number: cardinal number

ordinal number

1. a number denoting relative position in a sequence, such as first, second, third
2. Logic Maths a measure of not only the size of a set but also the order of its elements
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ordinal number

[′ȯrd·nəl ′nəm·bər]
(mathematics)
A generalized number which expresses the size of a set, in the sense of “how many” elements.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

ordinal number

The number that identifies the sequence of an item, for example, record #34. Contrast with cardinal number.
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References in periodicals archive ?
Serial number is from 0 to the biggest ordinal number 59.
The ordinal number of [p.sub.i] in Definition 2 can also be defined as
All measurement thereof consists only of the determination of ordinal numbers in a series of magnitudes of like kind.
In order that compare the dependence of the atomic mass from the ordinal number according to contemporary dates and the dates of Mendeleev the graph of was constructed (see Fig.
(3.12) ensures that the vertices not belonging to the route have no ordinal numbers.
The class C of all ordinal numbers is well-ordered putting [alpha] [less than or equal to] [beta] if and only if a [subset] [beta].
5) the method of multiple objectives based on cardinal numbers is more robust than this one based on ordinal numbers: an ordinal number is one that indicates order or position in a series, like first, second, etc..
S&P rating is an ordinal number ranging from one (for AAA rated bonds by S&P) to nineteen (for CCC- rated bonds by S&P).
where N is presumed to be one of the numbers 1,2,...,19 and is the ordinal number of the year in the cycle.
Two sets [alpha] and [beta] have the same ordinal number if a similar one-to-one relation exists, but the relation must also preserve the well ordering of the sets.
They explained that the number "nine" signifies best and forever in Chinese culture, as it is the highest ordinal number.
Let j be the ordinal number of a sound in the antecedent, j' the ordinal number in the corresponding sound in the consequent, n the total amount of sounds in a melody.