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==== Discussion ==== | ==== Discussion ==== | ||
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One might call the commutative group operation "$+$" the //addition// and the other one "$*$" the //multiplication//. In a [[unital ring]], the latter has an identity too. | One might call the commutative group operation "$+$" the //addition// and the other one "$*$" the //multiplication//. In a [[unital ring]], the latter has an identity too. | ||
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=== Reference === | === Reference === | ||
Wikipedia: [[http://en.wikipedia.org/wiki/Ring_%28mathematics%29|Ring]] | Wikipedia: [[http://en.wikipedia.org/wiki/Ring_%28mathematics%29|Ring]] | ||
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+ | {{ueberall_blumen_und_girlanden_halb_zerknuellt.jpg?X500 }} /* Claudia Krizmanits 2014 */ | ||
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