Difference between revisions of "Negative number"
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== Overview == | == Overview == | ||
| − | '''The negation''' (or ''additive inverse'') of a number is the number which, when added to that number, gives zero. Note that this definition extends beyond the real numbers to include the [[complex number]]s (and, more generally, to any additive [[group]]). The negative of a negative real number is a [[positive number]]. The negation of zero is zero. | + | '''The negation''' (or ''additive inverse'') of a number is the number which, when added to that number, gives zero. Note that this definition extends beyond the real numbers to include the [[complex number]]s (and, more generally, to any additive [[group]]). The negative of a negative real number is a [[positive number]]. The negation of zero is zero. |
==See Also== | ==See Also== | ||
* [[Inverse with respect to an operation]] | * [[Inverse with respect to an operation]] | ||
*[[Additive Inverse]] | *[[Additive Inverse]] | ||
| − | + | *[[Positive number]] | |
{{stub}} | {{stub}} | ||
Latest revision as of 13:07, 16 January 2023
A real number (and thus integer, rational number or irrational number) is negative if it is less than zero.
Overview
The negation (or additive inverse) of a number is the number which, when added to that number, gives zero. Note that this definition extends beyond the real numbers to include the complex numbers (and, more generally, to any additive group). The negative of a negative real number is a positive number. The negation of zero is zero.
See Also
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