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cardinal number
[ kahr-dn-l nuhm-ber ]
noun
- Also called cardinal numeral. any of the numbers that express amount, as one, two, three, etc. ( ordinal number ).
The cardinal number of the set a1, a2, … an is n.
cardinal number
noun
- a number denoting quantity but not order in a set Sometimes shortened tocardinal
- maths logic
- a measure of the size of a set that does not take account of the order of its members Compare natural number
- a particular number having this function
cardinal number
/ kär′dn-əl /
- A number, such as 3, 11, or 412, used in counting to indicate quantity but not order.
- Compare ordinal number
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Word History and Origins
Origin of cardinal number1
First recorded in 1585–95
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Example Sentences
Two equally numerous collections appear to have something in common: this something is supposed to be their cardinal number.
From Project Gutenberg
The notion of order, which is here introduced, is one which is not required in the theory of cardinal number.
From Project Gutenberg
What business has this cardinal number octiesque uno in a row of ordinals?
From Project Gutenberg
The Latin language often employed the ordinal number instead of the cardinal number.
From Project Gutenberg
Thus the cardinal number one is the class of unit classes, the cardinal number two is the class of doublets, and so on.
From Project Gutenberg
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