Commutative algebra

Primal ideal

In mathematics, an element a of a commutative ring A is called (relatively) prime to an ideal Q if whenever ab is an element of Q then b is also an element of Q. A proper ideal Q of a commutative ring A is said to be primal if the elements that are not prime to it form an ideal. (Wikipedia).

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Related pages

Ideal (ring theory) | Mathematics | Commutative ring