show that a unit of a ring divides every other element of the ring

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- Mar 14th 2013, 12:27 AMojasring theory
show that a unit of a ring divides every other element of the ring

- Mar 14th 2013, 12:53 AMGusbobRe: ring theory
is unit in a ring , so there is an element such that . By associativity, for any element .

- Mar 14th 2013, 08:33 AMHartlwRe: ring theory