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・ Additional Productions
・ Additional Protocol to the Convention on Cybercrime
・ Additional Shia doctrines
・ Additional Solicitor General of India
・ Additional superintendent of police
・ Additionality
・ Additionally guyed tower
・ Additions to Daniel
・ Additive
・ Additive Architecture
・ Additive category
・ Additive color
・ Additive function
・ Additive genetic effects
・ Additive group
Additive identity
・ Additive increase/multiplicative decrease
・ Additive inverse
・ Additive K-theory
・ Additive Manufacturing File Format
・ Additive map
・ Additive Markov chain
・ Additive model
・ Additive number theory
・ Additive polynomial
・ Additive rhythm and divisive rhythm
・ Additive Schwarz method
・ Additive smoothing
・ Additive State Decomposition
・ Additive synthesis


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Additive identity : ウィキペディア英語版
Additive identity
In mathematics the additive identity of a set which is equipped with the operation of addition is an element which, when added to any element ''x'' in the set, yields ''x''. One of the most familiar additive identities is the number 0 from elementary mathematics, but additive identities occur in other mathematical structures where addition is defined, such as in groups and rings.
==Elementary examples==

* The additive identity familiar from elementary mathematics is zero, denoted 0. For example,
*: 5 + 0 = 5 = 0 + 5
* In the natural numbers N and all of its supersets (the integers Z, the rational numbers Q, the real numbers R, or the complex numbers C), the additive identity is 0. Thus for any one of these numbers ''n'',
*: ''n'' + 0 = ''n'' = 0 + ''n''

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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