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Mathematics, 29.06.2019 00:10 aronhaile

Let r be a commutative ring with unit. suppose r contains an idempotent element a other than 0 or 1. (that is, a 2 = a.) show that every prime ideal in r contains an idempotent other than 0 or 1

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Let r be a commutative ring with unit. suppose r contains an idempotent element a other than 0 or 1....

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