Finally, an example is given to explain the commutative diagram.

最后，我们给出一个例子来说明这张交换图。

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The central notion in commutative algebra is that of a prime ideal.

交换代数中最核心的概念就是素理想。

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It is the purely symmetric product; therefore, it is completely commutative.

它是纯对称的积；因此，它是完全可交换的。

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It is the purely symmetric product; therefore, it is completely commutative.

它是纯对称的积；因此，它是完全可交换的。

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