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| a variable in a functional relation whose value determines the value or values of other variables, such as x in the relation y = 3x |
| a positive number that is equal to the sum of all positive integers that are submultiples of it, as 6, which is equal to the sum of 1, 2, and 3 |
| cardinal number or cardinal numeral | |
| —n | |
| 1. | Sometimes shortened to: cardinal a number denoting quantity but not order in a set |
| 2. | maths, logic |
| a. Compare natural number a measure of the size of a set that does not take account of the order of its members | |
| b. a particular number having this function | |
| cardinal numeral or cardinal numeral | |
| —n | |
| cardinal number (kär'dn-əl) Pronunciation Key
A number, such as 3, 11, or 412, used in counting to indicate quantity but not order. Compare ordinal number. |