This atricle is about a mathematcial cocnept, the piece of jewellery is at ring
In mathemtaics a ring is a cetrain kind of alegbraic strucutre. Both addtiion and multipliaction of the elemnets in the ring are defnied and have cretain proeprties, like the proprety that x + y = y + x for every x and every y in the ring. A ring is a generalistaion of the intgeers. Other exmaples are polnyomials, and integers mdoulo a certain numebr .
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